Image Processing Module/Video Processing Module Reset Instructions (PIC6566A)

IMAGE PROCESSING MODULE/VIDEO PROCESSING MODULE RESET INSTRUCTIONS

TECHNICAL SERVICE BULLETIN

SERVICE INFORMATION

Brand:	Model:	Model Year:		VIN:		Engine:	Transmission:
		from	to	from	to
Cadillac	LYRIQ	2024-2025		All	All	All	All
Cadillac	XT4	2024-2025		All	All	All	All
Chevrolet	Blazer EV	2024-2025		All	All	All	All
BrightDrop	Zevo 400	2024		All	All	All	All
BrightDrop	Zevo 600	2024		All	All	All	All
Chevrolet	BrightDrop 400	2025		All	All	All	All
Chevrolet	BrightDrop 600	2025		All	All	All	All
Chevrolet	Colorado	2023-2025		All	All	All	All
GMC	Canyon	2023-2025		All	All	All	All
Chevrolet	Silverado EV	2024-2025		All	All	All	All
Chevrolet	Silverado LD	2024-2025		All	All	All	All
Chevrolet	Silverado HD	2024-2025		All	All	All	All
GMC	Sierra LD	2024-2025		All	All	All	All
GMC	Sierra HD	2024-2025		All	All	All	All

Involved Region or Country	United States, Canada, Mexico, Europe, Kazakhstan, Uzbekistan, Russia, Middle East, Iraq, Israel, Palestine, Argentina (Mercosur), Brazil (Mercosur), Chile (West), Colombia (West), Ecuador (West), Japan, Cadillac Korea (South Korea), Thailand (ASEAN), Singapore, Phiippines, Australia/New Zealand, Caribbean, China
Condition	Some Customers may comment on a condition present on startup when shifting to reverse gear on the Radio Display where a black screen with a triangle and a camera with a slash through it is displayed. In addition, it may not be possible to launch the camera app from the Radio home screen. Courtesy of GENERAL MOTORS COMPANY The following DTC's may be present as Current DTC's: DTC Set By DTC Description U023C SYM00 CGM, EBCM Loss of Communication with VPM B1596 SYM82 VCU/Radio VPM LVDS Coaxial Signal - Alive Sequence Counter Incorrect B1596 SYM86 VCU/Radio VPM LVDS Coaxial Signal - Signal Invalid B1A62 SYM82 CSM/Radio Rear Vision Camera Alive Sequence Counter Incorrect B1A62 SYM86 CSM/Radio Rear Vision Camera Signal Invalid
Cause	This maybe due to software anomalies that maybe corrected by a reset of the module.

CORRECTION

Shift to Reverse and verify RVC status. If the screen below appears, start with Step 1.

Courtesy of GENERAL MOTORS COMPANY

1. If U023C SYM00 is set as Current by the CGM or EBCM, then check if Warranty Labor Code 3459852 has previously been performed on this vehicle.

a. If this is a repeat visit for the same concern, Replace the VPM (Refer to SI Document: Video Processing Module Replacement).

b. If this is the first visit for this concern, refer to the chart below and perform fuse reset(s) based on option codes vehicle is equipped with.

Option code vehicle is equipped with	Module	Action needed to perform system reset
IVE and UV2 without UKL	A11 Radio	Refer to  PIC6540  Radio reset instructions
IVE with UKL	A11 Radio	Refer to  PIC6540  Radio reset instructions
	K124 Image Processing Module	Remove and reinstall fuse to K124 Image processing module. Refer to SI diagnostics for specific vehicle application
IVD with UKL	K124 Image Processing Module	Remove and reinstall fuse to K124 Image processing module. Refer to SI diagnostics for specific vehicle application
IVD and UV2 or UXP without UKL	K157 Video processing module	Remove and reinstall fuse to K157 Video processing module. Refer to SI diagnostics for specific vehicle application
UV2 or UXP without IVD or IVE	K157 Video processing module	Remove and reinstall fuse to K157 Video processing module. Refer to SI diagnostics for specific vehicle application

c. After fuse pull, perform a 3-minute sleep cycle and then recheck for DTCs

i. If U023C is now in History, Shift to Reverse and verify RVC function.

1. Clear DTCs and all ok.

ii. If U023C is still Current, diagnose Power/CAN cable to VPM (Refer to SI Document for U023C) and then recheck DTCs

1. If U023C is now history, Shift to Reverse and verify RVC function.

a. Clear DTC's and all ok.

2. If U023C is still Current, Replace the VPM ( Refer to SI Document; Video Processing Module Replacement)

2. If B1596 SYM82 SYM86 or B1A62 SYM82 SYM86 are set as Current by the CSM/Radio, check for software updates of the applicable module(s) based on option codes the vehicle is equipped with.

a. After software update and 3-minute sleep cycle, recheck DTC's.

i. If B1596 / B1A62 are now History, Shift to Reverse and verify RVC function.

1. Clear DTC's, Road test the vehicle (under conditions for setting the DTC), shift to

Reverse, verify RVC function.

2. Check DTCs

a. If DTC returns, replace the coax cable between the Radio and VPM.

b. If DTC does not return, all ok.

ii. If B1596 / B1A62 are still set Current, check the coax cable with the Fakra tool (Refer to SI Document # for B1596 /B1A62).

WARRANTY INFORMATION

For vehicles repaired under the Bumper-to-Bumper coverage (Canada Base Warranty coverage), use the following labor operation. Reference the Applicable Warranties section of Investigate Vehicle History (IVH) for coverage information.

Labor Operation	Description	Labor Time
6629852	K124 Image Processing Module Reset	0.5 Hr.
3459852	K157 Video Processing Module Reset	0.5 Hr.

Additional SI Keywords

U023C, B1A62, B1596, Black Screen

Version	2
Modified	08/20/2024 - Created On. 03/28/2025 - Updated models and correction.