Diagnostic Test
WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
- ACTIVE DTC NOTE: The following items must be performed before continuing.
- Pinion Factor and Tire Size MUST be programmed in the ABS Module.
- All Bus Communication DTCs MUST be diagnosed.
- All related Vehicle Speed and Wheel Speed DTCs that may be active in the ABS Module MUST be diagnosed. Refer to DTC-Based Diagnostics/MODULE, Antilock Brake (ABS) - Diagnosis and Testing for the correct procedure.
- Ignition on, engine not running.
- With a scan tool, read the DTCs.
Is the DTC active at this time?
Yes
- Go to step 2
No
- Perform the CHECKING FOR AN INTERMITTENT DTC diagnostic procedure. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
- VISUAL INSPECTION NOTE: This code can set due to the following conditions:
- Unequal tire circumference between the tires on the vehicle.
- Front or rear wheels moving while the opposite wheels are not. (i.e., wheels slipping on loose gravel, ice or hard acceleration).
- Check tire pressure of all the tires.
- Check tire wear on all the tires.
- Ask the customer what the road and driving conditions were like when the fault set.
Were any of the above conditions found?
Yes
- Repair as necessary. If the code set during a front or rear wheel spin condition, no repair is necessary.
- Perform the PCM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
No
- Go to step 3
- POWERTRAIN CONTROL MODULE (PCM) NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage or terminal push out. Repair as necessary. Using the schematics as a guide, inspect the wire harness and connectors. Pay particular attention to all Power and Ground circuits.
Were there any problems found?
Yes
- Repair as necessary.
- Perform the PCM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
No
- Replace and program the Powertrain Control Module in accordance with the Service Information.
- Perform the PCM VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .