Technical Service Bulletins

A/C Compressor
- Unscheduled Supplemental Services (Including Flushing Services And Additives) And Proper Use Of Gm Simplified Maintenance Schedules (12-06-01-008B)
- Ac Blows Warm Or Poor Performance (PIT5099H)
Accessories & Equipment
- Adding Attachments To TAC Cases In Dealer Case Management (PIP6015)
- Concerns Or Questions Regarding Installation Of Dealer Installed Accessories (PIT3099U)
- General Motors Dealership Critical Equipment Requirements And Recommendations (05-00-89-029F)
- Over The Air (OTA) And In Market Enhancement (IME) FAQS (23-NA-125)
- Information On Transportation / Logistics Mode (23-NA-064)
- Information On Module Harvesting (22-NA-205)
- Requesting A New Key Code For Customer With Lost Or Stolen Keys (12-00-89-002E)
Accessories Control Systems
- Odometer Servicing When Odometer Cannot Be Set To Actual Mileage (PIT4720F)
- Aftermarket ALDL Or DLC Interface Devices Causing Multiple Issues (13-08-116-001K)
- Diagnostic Aid: Rattle Or Tapping Noise Heard Near The Dashboard Or A Vibration From The Shifter (PIP6029)
- Multiple U-Code Diagnostic Information - With One Having Symptom Byte 71 (PIT5569C)
- Information On Obtaining TECHLINE Calibrations For Law Enforcement And Government Vehicles To Disable Or Enable Content (21-NA-135)
- Transmitter Fob Battery Low State Of Charge (PIT5824A)
- SD Card Has Been Removed Error Message With 0X40000 Error Code (PIT5829)
- Diagnostic Aids: Adding A Transmitter Or Key Without Service Programming System (Quick Learn) (PIC6208E)
Anti-Lock Brakes
- Information On Automatic Emergency Braking Event (AEB) Issues (25-NA-118)
- Aftermarket ALDL Or DLC Interface Devices Causing Multiple Issues (13-08-116-001K)
- Multiple U-Code Diagnostic Information - With One Having Symptom Byte 71 (PIT5569C)
Anti-Theft Systems
- Key Code Security Rules And Information On Gm KEYCODE Look-Up Application (U.S. Only) (10-00-89-009F)
- Diagnostic Tip - Security Light On Intermittently / No Crank/No Start Or Start Stall / Keyless Access Vehicles May Display No Remote/Fob Detected / Poor Or No RKE Range / Service TPM DTC B3055, B3060, B3935, C0750, C0755, C0760, C0765, C0775 (PIC5650L)
- Information On Using El-52545 When Diagnosing Peps Transmitter Key Fobs (21-NA-061)
- Information On Passive Door Unlocking Inoperative And/Or Enabling And Disabling Of Passive Unlocking (18-NA-279)
- Warranty Administration - Transmitter Key Fob Warranty Replacement Requirements (21-NA-068)
- Requesting A New Key Code For Customer With Lost Or Stolen Keys (12-00-89-002E)
- Diagnostic Aids: Adding A Transmitter Or Key Without Service Programming System (Quick Learn) (PIC6208E)
Automatic Trans
- Information On PICO Recording For CVT Transmissions With Noise Concerns (PIP5958B)
- Aftermarket ALDL Or DLC Interface Devices Causing Multiple Issues (13-08-116-001K)
- Information On How To Have A Fuel Or Fluid Sample Tested (25-NA-065)
- CVT Transmission Leaks From The Oil Filter Housing And/Or The Cooler Lines (PIP6032A)
- Diagnostic Aid: Rattle Or Tapping Noise Heard Near The Dashboard Or A Vibration From The Shifter (PIP6029)
- Information On Ethylene Glycol In Transmission Fluid (08-07-30-035I)
- Unscheduled Supplemental Services (Including Flushing Services And Additives) And Proper Use Of Gm Simplified Maintenance Schedules (12-06-01-008B)
- Gm TAC Support On Vehicle Automatic Transmission Concerns That Can Be Duplicated (PIP5621E)
- Information On Transmission Core Damage (24-NA-141)
- Information On Driveline Clunk Noise (99-04-20-002O)
- No Movement Caused By Broken Transmission Chain (PIP5975)
- Information Regarding The Differences Between Fluid Leakage And Seepage (15-00-89-004G)
- Loss Of Forward Gear, Slipping, Malfunction Indicator Lamp Illuminated - DTC P2714 Set (PIP5819B)
- Shift To Park Is Displayed On The Driver Information Center (DIC) When Vehicle Is In Park, No Start - DTC B000A Set (23-NA-119)
- Information On Slight Vehicle Movement In Park At Start Up After Cold Soak (08-07-30-026I)
- Information On Unnecessary Replacement Of Extension Housing And 1-2-3-4-5-Rev Clutch Piston Assembly For 8L45, 8L90 Automatic Transmissions (22-NA-246)
- Diagnostic Tip On Avoiding Torque Converter Or Crankshaft Damage While Diagnosing Noise Concerns (PIP5640A)
- Information On 9TH Gear Operation (21-NA-181)
- Diagnostic Tip For DTCS Set At A Low Mileage For 9T45/50/60 Automatic Transmissions (21-NA-169)
- Loss Of And/Or Reduced Propulsion, DTCS P0730, P0746, P0776, P0841, P0846, P0961 And/Or P0965 Set (21-NA-003)
- Information On Transmission Flares, Slipping, Gear Hunting, Harsh Shifting, Only Shifts At Wide Open Throttle (Wot) Or Hard Acceleration, Rolling In Reverse Or In Wrong Direction Selected, High Engine Rpm, Shift Busyness, Surging While Cruising, Will Not Upshift, Holds In A Lower Gear, Will Not Back Up Hills, Not Shifting, Jerks And/Or Loss Of Power (21-NA-004)
- Only 11 Digit Pun (Part Unique Number) Found On Service Solenoid Body Assembly GF9 9T45/50/60/65 (PIP5704D)
- Information On Malfunction Indicator Lamp (Mil) Illuminated - Multiple DTCS Set (20-NA-120)
Auxiliary Emission Control Systems
- Information On Purge Pump Part Number Interchangeability (24-NA-123)
- Diagnostic Tip: DTC P0299 Set As Current Or In History (PIP5978)
- Information On Purge Pump Replacement And Purge Pump Part Number Interchange (23-NA-214)
- Intermittent Malfunction Indicator Lamp (Mil) Illuminated - DTC P146F Set (21-NA-014)
Axle Shafts
- Information Regarding The Differences Between Fluid Leakage And Seepage (15-00-89-004G)
Blowers, Superchargers & Turbochargers
- Cold Start Rattle Noise From The Engine Compartment, Malfunction Indicator Lamp (Mil) Illuminated - DTC P0299 Set (PIP5829A)
- Damaged, Disassembled Or Improperly Packaged Turbochargers Returned To Warranty Part Center (PI0653F)
- GE-52250 Power Smoke Diagnostic Leak Detector Turbocharger Charge Air And Induction System Tester Mil Reduced Engine Power (PIP5684C)
- Diagnostic Trouble Code P2261 Set (20-K-003)
Body Electrical
- J-35616-64B Or El-35616-58 Terminal Test Probe Information/Repair (PIT5074R)
- Information On Reflective High Temperature Heat And/Or Insulating Tape For Wiring Harness Repairs (PIT5962B)
- Multiple U-Code Diagnostic Information - With One Having Symptom Byte 71 (PIT5569C)
- Engineering Information - Request For Pictures Of Broken Wire In Harness Between ECM And MULTIFUNCTION Sensor (MAF Sensor), DTCS U060F, U1346, P0101, P0102 And/Or P1101 Set (U.S. Only) (PIE0682A)
- Mil Illuminated With DTC P0521 (PIP5826A)
Body Interior
- Procedure For Emailing Global Diagnostic System 2 (GDS2) Session Log To Gm TAC (Us And CANADA Dealers Only) (PIP4902S)
- Aftermarket ALDL Or DLC Interface Devices Causing Multiple Issues (13-08-116-001K)
- Lin Bus Diagnostic Information (PIT5698E)
- Diagnostic Tip - Security Light On Intermittently / No Crank/No Start Or Start Stall / Keyless Access Vehicles May Display No Remote/Fob Detected / Poor Or No RKE Range / Service TPM DTC B3055, B3060, B3935, C0750, C0755, C0760, C0765, C0775 (PIC5650L)
- Information On Setting Up PICOSCOPE To Diagnose Controller Area Network (Can) Circuits (23-NA-189)
- Unable To Connect To The ONSTAR Center (PIC6450)
- Power Liftgate Hands-Free Inoperative Intermittently With DTC U1501 Set (21-NA-159)
Brakes Control Systems
- Information On Automatic Emergency Braking Event (AEB) Issues (25-NA-118)
- Squeal Noise Heard From Front Of The Vehicle During Light Brake Pedal Application (24-NA-072)
- Check Engine Lamp Illuminated In DIC With DTCS C0588/C0589/C058A Set (22-NA-059)
Collision/Avoidance
- Updated Warranty And Policy Exchange Program For Electronic Products (U.S. And CANADA) (08-08-44-029N)
- Diagnostic Tip - Cruise Control, Adaptive Cruise And Lane Keep Assist Turns Off Or Inoperative (PIT6196)
- Rear Cross Traffic Alert Indicators Missing (PIT6084A)
- Adaptive Cruise INOP / Lane Keep Assist Unavailable Message / Gap Switch INOP / Unable To Perform FRONTVIEW Camera Learn / Amber Collision Alert Icon / INTELLIBEAM INOP / No Related DTCS (PIT5865B)
- Adaptive Cruise INOP / Lane Keep Assist Unavailable Message / Gap Switch INOP / Unable To Perform FRONTVIEW Camera Learn / Amber Collision Alert Icon / No Related DTCS (PIT5865A)
- Diagnostic Tip: Lane Keep Assist And Or Forward Collision Alert System Unavailable (PIC6446A)
- Engineering Information - Lane Keep Assist, Adaptive Cruise Control And/Or Automatic High Beam Indicator Is Inoperative, Forward Collision Alert Reduced Illuminated On Driver Information Center (DIC) (PIE0619A)
- Radio Software Version V152 Update (20-NA-237)
Communication Devices
- Aftermarket ALDL Or DLC Interface Devices Causing Multiple Issues (13-08-116-001K)
- Updated Warranty And Policy Exchange Program For Electronic Products (U.S. And CANADA) (08-08-44-029N)
- Radio Software Version V171 Update (24-NA-108)
- Cellphone Not Charging Or USB Receptacle Inoperative Diagnostic (22-NA-238)
- Unable To Connect To The ONSTAR Center (PIC6450)
- New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles And Generating Higher CSI Scores (03-00-89-006S)
- ONSTAR Over The Air Update For TTY / TDD Operation And Continuous Improvement Changes (20-NA-196)
Cooling System (Mechanical)
- Information On Flushing Oil Contamination From Cooling System (25-NA-052)
- Information On Ethylene Glycol In Transmission Fluid (08-07-30-035I)
- Unscheduled Supplemental Services (Including Flushing Services And Additives) And Proper Use Of Gm Simplified Maintenance Schedules (12-06-01-008B)
- Information On Vehicle Slow To Heat Up In Cold Ambient Temperatures (PI1166D)
- Malfunction Indicator Lamp (Mil) Illuminated - DTC P3075 Set (21-NA-257)
Cruise Control Systems
- Diagnostic Tip - Cruise Control, Adaptive Cruise And Lane Keep Assist Turns Off Or Inoperative (PIT6196)
- Engineering Information - Lane Keep Assist, Adaptive Cruise Control And/Or Automatic High Beam Indicator Is Inoperative, Forward Collision Alert Reduced Illuminated On Driver Information Center (DIC) (PIE0619A)
Differentials & Drive Axles
- Information Regarding The Differences Between Fluid Leakage And Seepage (15-00-89-004G)
- Rear Drive Module (RDM) Clutch Groaning Noise (23-K-004)
Electronic Steering
- Grease Or Sealant Visible On Electronic Power Steering Gear - Should Not Be Interpreted As Leak (16-NA-109)
Engine Control Systems
- Aftermarket ALDL Or DLC Interface Devices Causing Multiple Issues (13-08-116-001K)
- Multiple U-Code Diagnostic Information - With One Having Symptom Byte 71 (PIT5569C)
- Service Programming System (SPS) Errors (E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, Or E6961) (PI0592I)
- Diagnostic Tip: DTC P0299 Set As Current Or In History (PIP5978)
- Diagnostic Tip: Fuel Injected Gasoline Engines Possible No Start Extended Crank No Power Or Fuel Pressure Related DTC'S (PIP5596A)
- Information On Sag Or Hesitation On Acceleration (PIP4112S)
- Diagnostic Aids For Gas Engine Misfire/Rough Running With DTC P0300-P0308 And/Or DTC P050D (PIP5628G)
- Clean Exhaust Filter See Owners Manual Now, Cleaning Exhaust Filter Keep Driving Until Message Is Cleared Or Diesel Particulate Filter Is Full Continue Driving Displayed On DIC, DTC P2463 May Be Set (10-06-05-002M)
- Poor Engine Performance In Extremely Cold Weather Conditions, Charge Air Cooler Icing - Malfunction Indicator Lamp (Mil) Illuminated, DTC P0299, P0234, P0236, P00C7 Set (21-NA-293)
- Cold Start Rattle Noise From The Engine Compartment, Malfunction Indicator Lamp (Mil) Illuminated - DTC P0299 Set (PIP5829A)
- Diagnostic Tip For Malfunction Indicator Lamp (Mil) Illuminated, Excessive Smoke From Tail Pipe - DTC P2002, P226D And/Or P244A Set (16-NA-380)
- Malfunction Indicator Lamp (Mil) Illuminated, Reduced Engine Power Message On Drivers Information Center (DIC) - DTCS U060F, U1346, P0101, P0102, P1101 And/Or P14B6 Set (22-NA-008)
- Diagnostic Tip For Malfunction Indicator Lamp (Mil) Illuminated - DTC P0442 And/Or P0455 Set (21-NA-124)
- A222379710 - DTC P0521 Permanent Status Not Properly Cleared (A222379710)
- Malfunction Indicator Lamp Illuminated With DTC P0234 Post Turbocharger Replacement (PIP5892)
- Malfunction Indicator Lamp (Mil) Illuminated - DTC P3075 Set (21-NA-257)
- Mil Illuminated With DTC P0521 (PIP5826A)
- Diagnostic Tip: Poor Engine Performance Or CEL On In Cold Ambient Temperatures On Vehicles Equipped With Turbocharged Gasoline Engines May Set One Or More Of The Following DTCS P0299 P2227 (PIP5540J)
- Pop Noise Heard On Heavy Acceleration Only - Multiple DTC'S Set (21-NA-215)
- Engineering Information - Loss Of And/Or Reduced Propulsion, DTCS P0746, P0776, P0841 And/Or P0846 Set (PIE0587B)
- P0451 Service Information Diagnostic Updates (PIP5782)
- Intermittent Malfunction Indicator Lamp (Mil) Illuminated - DTC P146F Set (21-NA-014)
- Possible Engine Crank No Start Or Mil Illuminated With One Or More Of The Following DTC'S P0335 P0336 (PIP5761)
- Transport Mode On Message Displayed In Driver Information Center (DIC) And/Or Battery Light Is Flashing (20-NA-157)
- Mil Illuminated With DTC P2B95 Set In History And /Or Possibly DTC P2B96 P2B0A, P2B08, Or P2B09 (PIP5746)
- Check Engine Light On With P0521 And/Or P06DE, P06DD (PIP5734)
- Check Engine Lamp Illuminated, DTC P159F 00 Set, No Audio (20-NA-135)
- Information On Malfunction Indicator Lamp (Mil) Illuminated - Multiple DTCS Set (20-NA-120)
- Diagnostic Tip: Possible DTC P3075 That May Be Set Current Or History (PIP5650C)
- Diagnostic Trouble Code P2261 Set (20-K-003)
Entertainment Systems
- OTA Failure Or Download Will Not Complete (PIT5966E)
- Aftermarket ALDL Or DLC Interface Devices Causing Multiple Issues (13-08-116-001K)
- Updated Warranty And Policy Exchange Program For Electronic Products (U.S. And CANADA) (08-08-44-029N)
- Radio Software Version V171 Update (24-NA-108)
- Apple CARPLAY Projection Pixilated/Blurry/Distorted - IOR Radio (PIC6486H)
- Drone Noise By Holding About 1600 Rpm In Park Or During Driving - No DTCS (24-NA-095)
- Wireless CARPLAY Or Android Auto Will Not Launch (PIC6551)
- Radio Software Version V167 Update (PIT5971B)
- Infotainment Control Switch Or Hd Radio Do Not Function After Radio Replacement (PIT6050)
- Radio Software Version V164 Update (PIT5913A)
- Radio Software Version V160 Update (22-NA-127)
- Radio Software Version V158 Update (21-NA-188)
- Radio Software Version V155 Update (PIC6425D)
- Radio Displays Message: SIRIUS XM Connection Unavailable - Please Call ONSTAR Agent (PIT5791A)
- Volume Level Difference When Switching Between Fm And SIRIUS XM Audio Sources (21-NA-055)
- Radio Software Version V152 Update (20-NA-237)
- Check Engine Lamp Illuminated, DTC P159F 00 Set, No Audio (20-NA-135)
Exhaust
- Clean Exhaust Filter See Owners Manual Now, Cleaning Exhaust Filter Keep Driving Until Message Is Cleared Or Diesel Particulate Filter Is Full Continue Driving Displayed On DIC, DTC P2463 May Be Set (10-06-05-002M)
- Diagnostic Tip For Malfunction Indicator Lamp (Mil) Illuminated, Excessive Smoke From Tail Pipe - DTC P2002, P226D And/Or P244A Set (16-NA-380)
- Insufficient Heating Performance Or No Heat From HVAC (21-NA-223)
- Passenger Side Insufficient Heating Performance (21-K-009)
Exterior Body Panels
- Underbody Component Corrosion (PI0281L)
- PAINTLESS Dent Repair Process (99-08-51-001F)
- Witness Marks From Panel Adjustments Made During Manufacturing (21-NA-103)
Exterior Lights
- Exterior Lamp Condensation And Water Leak Information And Replacement Guidelines (01-08-42-001Q)
- Radio Software Version U157 Update (PIT5808)
- Engineering Information - Lane Keep Assist, Adaptive Cruise Control And/Or Automatic High Beam Indicator Is Inoperative, Forward Collision Alert Reduced Illuminated On Driver Information Center (DIC) (PIE0619A)
- Intermittent Malfunction Indicator Lamp (Mil) Illuminated - DTC P146F Set (PIT5831)
- Information For Headlamp Desiccant Pack (20-K-002)
Frames, Subframes & Crossmembers
- Underbody Component Corrosion (PI0281L)
- Rattle Or Creak Noise Heard Coming From Driver Left Rear Quarter Panel Area When Driving Over Bumps (21-NA-017)
Front Suspension
- Information Regarding The Differences Between Fluid Leakage And Seepage (15-00-89-004G)
Fuel System
- Information On How To Have A Fuel Or Fluid Sample Tested (25-NA-065)
- Diagnostic Tip For DTC P219A Setting With No Other Drivability Symptoms (PIP5929C)
- EPA Summer Grade Gasoline Waiver Allows Use Of Winter Grade Surplus Potential Drivability Concerns P0300 P0171 P0174 P228C Fuel Smell Odor Longer Extended Cranking Time Hesitation Engine Stalls (PIP5725A)
Fuses & Circuit Breakers
- J-35616-64B Or El-35616-58 Terminal Test Probe Information/Repair (PIT5074R)
- Front Windshield Wipers Only Work On High Speed (PIT5848A)
Gauges & Instrument Panels
- Odometer Servicing When Odometer Cannot Be Set To Actual Mileage (PIT4720F)
- Interior Cleaning - Instrument Panel (IP), Hard Or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability (06-00-89-029W)
- Aftermarket ALDL Or DLC Interface Devices Causing Multiple Issues (13-08-116-001K)
- Updated Warranty And Policy Exchange Program For Electronic Products (U.S. And CANADA) (08-08-44-029N)
General Servicing
- Information On Refrigerant (R1234YF) For A/C Service (12-01-37-001G)
Hazardous Waste Material
- Warranty Parts Center (WPC) Information For Shipping Hazardous Materials (Hazmat) - U.S. Only (24-NA-040)
Headlights
- Information On Dark Spots Noticed In Headlamp Pattern When Vehicle Is Pulled Up To A Wall Or Garage (23-NA-086)
- Exterior Lamp Condensation And Water Leak Information And Replacement Guidelines (01-08-42-001Q)
Heated Glass/Defoggers
- Rear And Side Tempered Glass Spots (Quench Marks) (PI0754G)
HVAC Control Systems
- Diagnostic Tip: Whistle/Wind Noise At Highway Speeds (PIC6589A)
- Ac Blows Warm Or Poor Performance (PIT5099H)
- Insufficient Heating Performance Or No Heat From HVAC (21-NA-223)
Identification
- Only 11 Digit Pun (Part Unique Number) Found On Service Solenoid Body Assembly GF9 9T45/50/60/65 (PIP5704D)
Ignition Switch/Steering Lock
- Key Code Security Rules And Information On Gm KEYCODE Look-Up Application (U.S. Only) (10-00-89-009F)
- Diagnostic Tip - Security Light On Intermittently / No Crank/No Start Or Start Stall / Keyless Access Vehicles May Display No Remote/Fob Detected / Poor Or No RKE Range / Service TPM DTC B3055, B3060, B3935, C0750, C0755, C0760, C0765, C0775 (PIC5650L)
- Diagnostic Aids: Adding A Transmitter Or Key Without Service Programming System (Quick Learn) (PIC6208E)
Infotainment
- Updated Warranty And Policy Exchange Program For Electronic Products (U.S. And CANADA) (08-08-44-029N)
- Apple CARPLAY Projection Pixilated/Blurry/Distorted - IOR Radio (PIC6486H)
- New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles And Generating Higher CSI Scores (03-00-89-006S)
- ONSTAR Over The Air Update For TTY / TDD Operation And Continuous Improvement Changes (20-NA-196)
Interior/Exterior Trim
- Information On Proper Use Of Floor Mats (10-08-110-001L)
Lubrication System
- Information On How To Have A Fuel Or Fluid Sample Tested (25-NA-065)
- Information On Flushing Oil Contamination From Cooling System (25-NA-052)
- Unscheduled Supplemental Services (Including Flushing Services And Additives) And Proper Use Of Gm Simplified Maintenance Schedules (12-06-01-008B)
- Information On Engine Oil Consumption Guidelines (01-06-01-011Q)
- Diagnostic Tip: Information Regarding Normal Fine Particles Found In Engine Oil Or Oil Pan Generated By Wet Belt System Wear In (PIP5938)
- Information On Gasoline Engine Replacement Guidelines After Connecting Rod Or Crankshaft Main Bearing Damage - Replace Oil Cooler, Oil Cooler Lines, Oil Tank And Turbocharger (22-NA-074)
- Information For Engine Concerns Resulting From Lack Of Scheduled Maintenance, Improper Service Or Aftermarket Calibrations (16-NA-222)
- Information On New Torque Specification And Installation Procedure For ACDELCO Spin-On Oil Filters (22-NA-009)
- Diagnostic Tip: Oil Leak Repairs And Resealing Of Composite Oil Pans And Use Of Proper RTV Sealant And Surface Primer (PIP5718A)
- Diagnostic Tip: 1.2L (RPO LIH) Oil Pan Installation (PIP5739)
Manual Steering
- Information On How To Have A Fuel Or Fluid Sample Tested (25-NA-065)
- Unscheduled Supplemental Services (Including Flushing Services And Additives) And Proper Use Of Gm Simplified Maintenance Schedules (12-06-01-008B)
- Information Regarding The Differences Between Fluid Leakage And Seepage (15-00-89-004G)
Manual Trans
- Information On Driveline Clunk Noise (99-04-20-002O)
Mechanical
- Engine Replacement After Severe Internal Engine Damage - Replace Intake Manifold (00-06-01-026R)
- Use Of Surface Conditioning Disks When Cleaning Gasket Sealing Surfaces And/Or Reused Parts (00-06-01-012N)
- Vibration At Idle When Stopped In Park Facing Down Hill (PIC6553A)
- Diagnostic Tip - Servicing Crankshaft Balancer And Cam Drive System Components (PIP5712C)
- Information Regarding The Differences Between Fluid Leakage And Seepage (15-00-89-004G)
- Engine Repair Tip For Installation Of Pistons (PI1394B)
- Engine Oil Leak (23-NA-122)
- Information On Engine Block Cracked At Head Bolt Hole Locations (23-NA-141)
- Information On Gasoline Engine Replacement Guidelines After Connecting Rod Or Crankshaft Main Bearing Damage - Replace Oil Cooler, Oil Cooler Lines, Oil Tank And Turbocharger (22-NA-074)
- Information For Engine Concerns Resulting From Lack Of Scheduled Maintenance, Improper Service Or Aftermarket Calibrations (16-NA-222)
- Repair Guidelines For Engine Component Wear (18-NA-073)
- Diagnostic Tips For Knocking, Rattle, Squeak And/Or Squeal Type Noise From Engine - Engine Replacement Recommendations For HFV6 Gen 1 And Gen 2 (PIP5216G)
- Diagnostic Tip On Avoiding Torque Converter Or Crankshaft Damage While Diagnosing Noise Concerns (PIP5640A)
- Information For Repairing Engine Front Cover Oil Leak, Sealing Surface Preparation And Applying RTV Sealant (12-06-01-003D)
- Possible Engine Crank No Start Or Mil Illuminated With One Or More Of The Following DTC'S P0335 P0336 (PIP5761)
- 1.2L (RPO LIH) Engine Exchange Program-Gasoline Has Ended (PIP5692B)
- Information On Possible Normal Engine Noise (20-NA-084)
Mechanical - Hydraulic
- Information On How To Have A Fuel Or Fluid Sample Tested (25-NA-065)
- Information Regarding The Differences Between Fluid Leakage And Seepage (15-00-89-004G)
- Gm TAC Support Of Vehicle Vibration Complaints - U.S. And CANADA Dealers Only (PIT5214F)
- Front Brake Squeal Noise Heard During Light Brake Pedal Application (22-NA-095)
- Engineering Information - 2020 BUICK Encore GX And 2021 CHEVROLET Trailblazer Front Brake Noise (PIE0605B)
Memory Modules
- Aftermarket ALDL Or DLC Interface Devices Causing Multiple Issues (13-08-116-001K)
Parking Brake System
- Unwanted Electric Park Brake Setting (20-NA-186)
Passive Restraints
- Seat Belt Comfort Guide Part Information (PIT6180A)
- Dealer Information For Location Of Rear Child Seat Anchor (PIT5995A)
Procedures
- Odometer Servicing When Odometer Cannot Be Set To Actual Mileage (PIT4720F)
- Information On How To Have A Fuel Or Fluid Sample Tested (25-NA-065)
- Vehicle Noise Diagnosis And TAC Requests For Assistance With Noise Related Complaints (PIP5358D)
- Lin Bus Diagnostic Information (PIT5698E)
- Website For AFIT, TPM, Gr8, MIT And PICO Scope Updates (PIP4723H)
- El-52800 - Diagnostic And Charge Battery Station (DCBS) - FAQS (23-NA-055)
- Variable Diagnostic Time Allowances (U.S. Only) (18-NA-263)
- Battery Maintenance Report FAQS (U.S. Only) (22-NA-115)
Rear Suspension
- Information Regarding The Differences Between Fluid Leakage And Seepage (15-00-89-004G)
Restraints Control Systems
- Multiple U-Code Diagnostic Information - With One Having Symptom Byte 71 (PIT5569C)
Seats
- Seat Belt Comfort Guide Part Information (PIT6180A)
- Dealer Information For Location Of Rear Child Seat Anchor (PIT5995A)
Starter
- OTA Failure Or Download Will Not Complete (PIT5966E)
- Shift To Park Is Displayed On The Driver Information Center (DIC) When Vehicle Is In Park, No Start - DTC B000A Set (23-NA-119)
- AGM Battery Frequently Asked Questions (FAQS) (23-NA-044)
- Battery Maintenance Report FAQS (U.S. Only) (22-NA-115)
- Transmitter Fob Battery Low State Of Charge (PIT5824A)
- Possible Engine Crank No Start Or Mil Illuminated With One Or More Of The Following DTC'S P0335 P0336 (PIP5761)
Steering Control Systems
- Power Steering S/W Reprogram For DTC C0051.58 (22-K-008)
- Service Power Steering Message Illuminated On Driver Information Center (DIC), DTC C0051 58 - Steering Wheel Angle Sensor Error Stored Or In History (PIT5842)
- Engineering Information - Service Power Steering Message Illuminated On Driver Information Center (DIC), DTC C0051 58 Set (PIE062B)
- Engineering Information - Service Power Steering Message Illuminated On Driver Information Center (DIC), DTC C0051 58 Set (PIE0620B)
Steering Gear
- Grease Or Sealant Visible On Electronic Power Steering Gear - Should Not Be Interpreted As Leak (16-NA-109)
Sun Roof/T-Top/Convertible Top
- Rear And Side Tempered Glass Spots (Quench Marks) (PI0754G)
- Intermittent Sunroof Operation, Bind, Noise, Auto-Reverse, And/Or Water Leaks (PIC5260F)
System
- Aftermarket ALDL Or DLC Interface Devices Causing Multiple Issues (13-08-116-001K)
- Diagnostic Tip: Fuel Injected Gasoline Engines Possible No Start Extended Crank No Power Or Fuel Pressure Related DTC'S (PIP5596A)
- Information On Sag Or Hesitation On Acceleration (PIP4112S)
- Clean Exhaust Filter See Owners Manual Now, Cleaning Exhaust Filter Keep Driving Until Message Is Cleared Or Diesel Particulate Filter Is Full Continue Driving Displayed On DIC, DTC P2463 May Be Set (10-06-05-002M)
- Diagnostic Tip: Poor Engine Performance Or CEL On In Cold Ambient Temperatures On Vehicles Equipped With Turbocharged Gasoline Engines May Set One Or More Of The Following DTCS P0299 P2227 (PIP5540J)
Transmission Control Systems
- Aftermarket ALDL Or DLC Interface Devices Causing Multiple Issues (13-08-116-001K)
- Multiple U-Code Diagnostic Information - With One Having Symptom Byte 71 (PIT5569C)
- Information On Transmission Core Damage (24-NA-141)
- DTC P30D9 Setting In The TCM Following Replacement (PIP5944A)
- Information On 9TH Gear Operation (21-NA-181)
- GF9 No Upshift And Vehicle Does Not Accelerate (21-K-006)
TSB
- Warranty Administration - Adding CALIFORNIA Emissions Warranty For Customers Registering Their Vehicle In A CALIFORNIA Emissions State (U.S. Only) (25-NA-100)
Wheels & Tire System
- Tire Sidewall Irregularities (PIT4261J)
- Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel Bead Seat Corrosion (Clean And Resurface Wheel Bead Seat) (08-03-10-006I)
- Multiple U-Code Diagnostic Information - With One Having Symptom Byte 71 (PIT5569C)
- Guidelines When Changing Tire And Wheel Size (PIT3271P)
- Diagnostic Tip - Cruise Control, Adaptive Cruise And Lane Keep Assist Turns Off Or Inoperative (PIT6196)
- Gm TAC Support Of Vehicle Vibration Complaints - U.S. And CANADA Dealers Only (PIT5214F)
- Vibration Shortly After Tires Are Mounted/Preventing Vibration From Wheel Slip (Tire Sliding On Wheel) (12-03-10-001E)
- Gm Accessories - New Dealer Installed LPO Wheel Installation And Return Process - Beginning January 1ST , 2023 (U.S. Dealers Only) (22-NA-257)
- Gm CANADA New Vehicle Tire Warranty Program For Original Equipment (OE) Tires And PDI Installed Limited Production Option (LPO) Tires (22-NA-106)
- Excessive Brake Dust On Wheels (PIC5214D)
- Information On Proper Tire Pressure (00-00-90-002M)
- Water Leak At Roof Area, Various Electrical Issues, No Start, Stall, Brake Lamp Not Off, Radio Inoperative, Remote Key Inoperative, TPM Light Illuminated, Malfunction Indicator Lamp (Mil) Illuminated With Possible DTCS C0750 Sym29, C0755 Sym29, C0760 Sym29, C0765 Sym29 (20-NA-121)
Window Motors & Regulators
- Information On Glass Ultraviolet (UV) Ray Protection And Tint Percentage (21-NA-152G)
Wiper/Washer Systems
- Front Windshield Wipers Only Work On High Speed (PIT5848A)
Wiring Diagrams
- Warranty Administration - Revised Wiring Repair Labor Operations And Required Additional Information (10-00-89-005K)
- Malfunction Indicator Lamp (Mil) Illuminated, Reduced Engine Power Message On Drivers Information Center (DIC) - DTCS U060F, U1346, P0101, P0102, P1101 And/Or P14B6 Set (22-NA-008)
Wiring System (Data Link Connectors, Pwr Dist., Grnd Dist.)
- J-35616-64B Or El-35616-58 Terminal Test Probe Information/Repair (PIT5074R)