Adaptive Cruise Control Module (ACC)

C2210-00-ECU OVERTEMPERATURE

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

- When Monitored:
Continuously monitored with the engine running, the Adaptive Cruise Control (ACC) Module voltage at battery voltage, and the ACC Module in normal mode.

- Set Condition:
ACC Module detects internal temperature greater than 115°C (239°F). The ACC module will disable the ACC system and the ACC UNAVAILABLE 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: To help in the service of the ACC System, it is recommended speaking to the customer to find out what 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.

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.
- Perform the ADAPTIVE CRUISE CONTROL VERIFICATION TEST. Adaptive Cruise Control (ACC) Verification Test.

2. VERIFY AMBIENT TEMPERATURE READING
1. Using a scan tool, read PCM ambient air temperature reading.

Is the ambient air temperature reading 85°C (185°F)?

Yes

- The ACC Module has detected the ambient temperature above operating range. Once the temperature has decreased below 85°C (185°F), ACC operation will be restored.
- Perform the ADAPTIVE CRUISE CONTROL VERIFICATION TEST. Adaptive Cruise Control (ACC) Verification Test.

No

- Replace the ACC module Adaptive Speed Control Sensor And Bracket - Removal
- Perform the ADAPTIVE CRUISE CONTROL VERIFICATION TEST. Adaptive Cruise Control (ACC) Verification Test.