Diagnostic Test
WARNING: This page is about a different car, the 2012 Dodge Charger. However, it is still accessible from the selected car via links, so may be relevant.
- REPLACE THE ACC MODULE IF DTC IS ACTIVE
- With the scan tool, read the active DTCs.
- Cycle the ignition switch from off to on at least five times, leaving the ignition on for a minimum of 90 seconds per cycle.
- With the scan tool, read the active DTCs.
Does the scan tool display this DTC as active?
Yes
- With a scan tool, reprogram the ACC to the latest software version in accordance with the service information.
- Go To 2.
No
- If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
- Perform the ACC MODULE VERIFICATION TEST. Refer to STANDARD PROCEDURE - ADAPTIVE CRUISE CONTROL (ACC) VERIFICATION TEST .
- CONTINUED ACTIVE CODE AFTER PROGRAMING
- With the scan tool, read the active DTCs.
Does the scan tool display this DTC as active after programming?
Yes
- Replace the ACC in accordance with the service information.
- Perform the ACC MODULE VERIFICATION TEST. Refer to STANDARD PROCEDURE - ADAPTIVE CRUISE CONTROL (ACC) VERIFICATION TEST .
No
- Test is complete.
- With the scan tool, read the active DTCs.