Body Control Computer
- Identification
- Description
- Operation
- Self-Diagnostic System
- Diagnostic Procedure
- Connector Identification
- Body Control Computer Tests
- * Please Read First *
- Symptom Id Test 1A - Identifying Vehicle Equipment & System Problems
- Symptom Id Test 1B - Identifying Fault Messages
- Chime Test 1A - Identifying Chime System Problems
- Chime Test 2A - Chime Inoperative At All Times
- Chime Test 3A - Chime Sounds With Driver's Seat Belt Fastened
- Chime Test 4A - Chime Sounds With Driver's Door Open
- Chime Test 4B - Chime Sounds With Driver's Door Open
- Chime Test 5A - Chime Inoperative With Dome Lights On
- Chime Test 6A - Chime Inoperative With Exterior Lights On
- Chime Test 7A - Chime Inoperative With Driver's Door Open & Key In Ignition
- Chime Test 8A - Chime Inoperative With Driver's Seat Belt Unfastened
- Chime Test 9A - Chime Inoperative With Turn Signal On
- Chime Test 9B - Chime Inoperative With Turn Signal On
- Chime Test 9C - Chime Inoperative With Turn Signal On
- Chime Test 10A - Chime Inoperative With Low Oil Pressure
- Chime Test 11A - Chime Inoperative With Extreme Coolant Temperature
- CMTC Test 1A - Identifying Compass/Mini-Trip Problems
- CMTC Test 2A - Compass/Mini-Trip Computer Displaying "SC"
- CMTC Test 3A - Compass/Mini-Trip Computer Displaying "OC"
- CMTC Test 4A - Incorrect Ambient Temperature Reading
- CMTC Test 5A - Incorrect Mileage Or Distance Problems
- CMTC Test 6A - Elapsed Time Inoperative Or Wrong
- Door Ajar Test 1A - Identifying Door Ajar Problems
- Door Ajar Test 2A - Driver's Door Ajar Short Circuit
- Door Ajar Test 3A - Driver's Door Ajar Open Circuit
- Door Ajar Test 4A - Passenger's Door Ajar Short Circuit
- Door Ajar Test 5A - Passenger's Door Ajar Open Circuit
- Door Ajar Test 6A - Right Sliding Door Ajar Short Circuit
- Door Ajar Test 7A - Right Sliding Door Ajar Open Circuit
- Door Ajar Test 8A - Shorted Liftgate Ajar Circuit
- Door Ajar Test 9A - Liftgate Ajar Open Circuit
- Door Ajar Test 10A - Left Sliding Door Ajar Short Circuit
- Door Ajar Test 11A - Left Sliding Door Ajar Open Circuit
- Exterior Light Test 1A - Identifying Exterior Lighting System Problems
- Exterior Light Test 2A - Headlights Will Not Turn On
- Exterior Light Test 2B - Headlights Will Not Turn On
- Exterior Light Test 2C - Inoperative Low Beam Headlight Control Circuit
- Exterior Light Test 3A - Headlights Will Not Turn Off
- Exterior Light Test 4A - Parking Lights Will Not Turn On
- Exterior Light Test 4B - Parking Light Relay Loss Of Battery Voltage
- Exterior Light Test 5A - Parking Lights Will Not Turn Off
- Exterior Light Test 6A - Fog Lights Will Not Turn On
- Exterior Light Test 7A - Fog Lights Will Not Turn Off
- Exterior Light Test 8A - Auto Headlights Will Not Turn On
- Exterior Light Test 9A - Auto Headlights Will Not Turn Off
- Information Center Test 1A - Identifying Information Center Problems
- Information Center Test 1B - All Warning Lights Out
- Information Center Test 2A - Low Oil Pressure Warning Light Malfunction
- Information Center Test 2B - Low Oil Pressure Warning Light Malfunction
- Information Center Test 3A - Red Brake Warning Light Malfunction
- Information Center Test 3B - Red Brake Warning Light Malfunction
- Information Center Test 3C - Red Brake Warning Light Malfunction
- Information Center Test 3D - Red Brake Warning Light Malfunction
- Information Center Test 3E - Red Brake Warning Light Malfunction
- Information Center Test 4A - Engine Temperature Warning Light Driver Circuit
- Information Center Test 4B - Engine Temperature Warning Light Driver Circuit
- Information Center Test 5A - Turn Signal Indicator Lights
- Information Center Test 5B - Turn Signal Indicator Light
- Information Center Test 6A - High Beam Indicator Light
- Information Center Test 7A - Service Engine Soon Indicator Light
- Instrument Cluster Test 1A - Identifying Instrument Cluster Problems
- Instrument Cluster Test 1B - Inoperative Gauge
- Instrument Cluster Test 2A - All Gauges Do Not Operate
- Instrument Cluster Test 3A - Fuel Gauge/Fuel Level Sending Circuit
- Instrument Cluster Test 3B - Speedometer Not Operating Properly
- Instrument Cluster Test 3C - Tachometer Not Operating Properly
- Instrument Cluster Test 3D - Temperature Gauge Not Operating Properly
- Instrument Cluster Test 3E - Measuring Fuel Gauge Accuracy
- Instrument Cluster Test 4A - Identifying Warning Light Problems
- Instrument Cluster Test 4B - Warning Light Fails To Light
- Instrument Cluster Test 5A - Cluster Illumination
- Instrument Cluster Test 5B - Panel Lights Driver Circuit
- Instrument Cluster Test 5C - Panel Lights Driver Circuit
- Instrument Cluster Test 5D - Dimmer Switch Signal Circuit
- Instrument Cluster Test 6A - Gauges Do Not Zero When Key Is Turned Off
- Instrument Cluster Test 7A - Washer Fluid Switch Sense Circuit
- Interior Light Test 1A - Identifying Interior Lighting System Problems
- Interior Light Test 2A - Courtesy Lights Inoperative With Any Door
- Interior Light Test 2B - Courtesy Lights Inoperative With Any Door
- Interior Light Test 3A - Courtesy Lights On Constantly
- Interior Light Test 4A - Courtesy Lights Inoperative With Dome Light Switch
- Power Door Lock Test 1A - Identifying Power Door Lock Problems
- Power Door Lock Test 1B - Scan Tool Message Display
- Power Door Lock Test 2A - Right Front Door MUX Circuit Short To Ground
- Power Door Lock Test 3A - Left Front Door MUX Circuit Short To Ground
- Power Door Lock Test 4A - Liftgate Switch MUX Circuit Short To Ground
- Power Door Lock Test 5A - Left Door Key Cylinder Disarm Switch Failure
- Power Door Lock Test 6A - Right Door Key Cylinder Disarm Switch Failure
- Power Door Lock Test 7A - Liftgate Key Cylinder Disarm Switch Failure
- Power Door Lock Test 8A - Left Door Lock Switch Failure
- Power Door Lock Test 9A - Right Door Lock Switch Failure
- Power Door Lock Test 10A - Left Door Unlock Switch Failure
- Power Door Lock Test 11A - Right Door Unlock Switch Failure
- Power Door Lock Test 12A - Left Door Key Cylinder Arm Switch Failure
- Power Door Lock Test 13A - Right Door Key Cylinder Disarm Switch Failure
- Power Door Lock Test 14A - Liftgate Key Cylinder Arm Switch Failure
- Power Door Lock Test 15A - All Doors Fail To Lock & Unlock From Any Switch
- Power Door Lock Test 15B - All Doors Fail To Lock & Unlock From Any Switch
- Power Door Lock Test 16A - All Doors Fail To Lock & Unlock From Any Switch
- Power Door Lock Test 17A - All Doors Fail To Lock & Unlock From One Switch
- Power Door Lock Test 17B - All Doors Fail To Lock & Unlock From One Switch
- Power Door Lock Test 17C - All Doors Fail To Lock & Unlock From One Switch
- Power Door Lock Test 18A - One Door Fails To Lock & Unlock From Any Switch
- Power Door Lock Test 19A - All Doors Fail To Lock From Any Switch
- Power Door Lock Test 19B - Shorted Key-In Ignition Circuit
- Power Door Lock Test 20A - All Doors Fail To Unlock From Any Switch
- Power Door Lock Test 21A - Left Front Door Fails To Unlock
- Power Door Lock Test 22A - Inoperative Door Lock Inhibit Circuit
- Power Door Lock Test 23A - Remote Keyless Entry Problem
- Power Door Lock Test 23B - Remote Keyless Entry Problem
- Power Door Lock Test 24A - Automatic Door Lock Malfunction
- VTSS Test 1A - Identifying Vehicle Theft Security System Problems
- VTSS Test 1B - Disarming VTSS System
- VTSS Test 2A - Disarming VTSS System
- VTSS Test 3A - VTSS Indicator Lamp Illuminates While Driving
- VTSS Test 4A - IGN Circuit To BCM
- VTSS Test 5A - Acc Circuit To BCM
- VTSS Test 6A - Horn Circuit Malfunction
- VTSS Test 6B - Horn Circuit Malfunction
- VTSS Test 6C - Horn Circuit Malfunction
- VTSS Test 7A - VTSS Indicator Light Driver Circuit
- VTSS Test 7B - VTSS Indicator Light Driver Short Circuit
- VTSS Test 8A - Hood Ajar Switch Sense Short Circuit
- VTSS Test 8B - Hood Ajar Switch Sense Circuit Open
- Windshield Wiper Test 1A - Identifying Windshield Wiper System Problems
- Windshield Wiper Test 2A - Wipers Not Working At All
- Windshield Wiper Test 2B - Wipers Not Working At All
- Windshield Wiper Test 2C - Wipers Not Working At All
- Windshield Wiper Test 2D - Wipers Not Working At All
- Windshield Wiper Test 2E - Wipers Not Working At All
- Windshield Wiper Test 3A - Wipers Not Working In High Speed Mode
- Windshield Wiper Test 4A - Wipers Not Working In Low Speed Mode
- Windshield Wiper Test 5A - Wipers Not Working In Intermittent Mode
- Windshield Wiper Test 6A - Wipers Not Parking In Off Position
- Windshield Wiper Test 6B - Front Wiper Park Circuit Short
- Windshield Wiper Test 7A - Wiper Wash Function Not Working Properly
- Windshield Wiper Test 8A - Wiper Constantly Operating With Switch In Off Position
- Windshield Wiper Test 9A - Rear Wiper Not Operating
- Windshield Wiper Test 9B - Rear Wiper Not Operating
- Windshield Wiper Test 9C - Rear Wiper Not Operating
- Windshield Wiper Test 10A - Rear Wiper &/Or Washer Operating Continuously
- Windshield Wiper Test 11A - Rear Wiper Not Operating In Intermittent Mode
- Windshield Wiper Test 12A - Rear Wiper Not Parking In Off Position
- Windshield Wiper Test 13A - Rear Washer Motor Inoperative
- Windshield Wiper Test 14A - Rear Wiper MUX Circuit Error
- Verification Test VER-1A - Verification Procedure
- Verification Test VER-1B - Verification Procedure
- Vehicle Communications
- Test 1A - Bus Fault Messages
- Test 2A - No Response From Air Bag Control Module
- Test 3A - No Response From Body Control Module
- Test 3B - No Response From Body Control Module
- Test 3C - No Response From Body Control Module
- Test 4A - No Response From Instrument Cluster
- Test 5A - Compass/Mini Trip Module Displaying "No Response"
- Test 6A - No Response From Powertrain Control Module
- Test 7A - No Response From Radio
- Test 7B - No Response From Radio
- Test 8A - No Response From Transmission Control Module
- Test 9A - No Response From Anti-Lock Brake Controller Module
- Test 10A - No Response From HVAC Control Module
- Test 11A - Bus Short To Battery
- Test 11B - Bus Short To Battery
- Test 11C - Bus Short To Battery
- Test 11D - Bus Short To Battery
- Test 11E - Bus Short To Battery
- Test 12A - Bus Short To 5 Volts
- Test 12B - Bus Short To 5 Volts
- Test 12C - Bus Short To 5 Volts
- Test 13A - Bus Short To Ground
- Test 14A - Bus (+) & Bus (-) Shorted Together
- Test 15A - No Termination
- Test 16A - Bus Bias Level Or Bus (+/-) Open
- Test 17A - No Bus Bias
- Test 18A - Not Receiving Bus Message Correctly
- Wiring Diagrams