C1266

C1266-00-ACC SENSOR BLINDED

For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
Continuously monitored with the ignition in run and the Adaptive Cruise Control (ACC) Module in normal mode.

- Set Condition:
ACC Module detects that the lens is damaged or obstructed. The ACC module will disable the ACC system and the SERVICE ACC message will display in the Electronic Vehicle Information Center (EVIC). Once the Diagnostic Trouble Code (DTC) goes to stored, the ACC system will return to normal operation. The DTC will be cleared after the ACC Module sees 100 consecutive key cycles of the STORED DTC.





For gasoline engines, always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Pre-Diagnostic Troubleshooting Procedure.

1. VERIFY DTC IS ACTIVE

NOTE: A secure and unmodified mounting location is critical to the proper operation of the ACC system.

NOTE: To help in the service of the ACC System, it is recommended speaking to the customer to find out what if the vehicle was in an accident prior to the DTC setting or the type of environment they were driving in when the cruise concern took place. Heavy rain, snow, ice, and fog can cause the ACC system to become unavailable. This should be considered normal operation and no repair is necessary.

NOTE: Vehicles that have had the suspension modified and/or a aftermarket grill installed that blocks the ACC sensor can cause the ACC system not to operate properly.

1. Using a scan tool, read ACC DTCs.

Is the DTC active at this time?

Yes

- Go To 2

No

- No repair is necessary. Make sure the lens is free of dirt, damage, and other obstructions. Clear the DTC and verify proper operation of the ACC system.

2. INSPECT ACC MODULE MOUNTING

NOTE: Make sure the ACC Sensor lens is free from dirt and debris (mud, dirt, ice, road debris) that would compromise the function of the ACC system.

1. Perform a thorough visual and physical inspect of the ACC module and it's mounting location look for: damage to the ACC module, damaged lens, ACC module not fully seated or broken/missing securing clips.

Is there damage to the ACC module?

Yes

- Repair.
- Perform the ACC MODULE VERIFICATION TEST. Adaptive Cruise Control (ACC) Verification Test.

No

- Inspect the ACC module mounting location fasteners and repair as necessary.
- Perform the ACC MODULE VERIFICATION TEST. Adaptive Cruise Control (ACC) Verification Test.