Diagnostic Test
WARNING: This page is about a different car, the 2016 Jeep Wrangler and 2015 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.
PROGRAMMING MILEAGE INTO THE PCM
- Turn the ignition on.
- With the scan tool, erase DTCs.
- Using a scan tool, program the mileage into the PCM.
- Start the engine.
- Allow the engine to idle.
- With the scan tool, read DTCs and record on the repair order.
Does the DTC reset?
Yes
- Replace and program the Powertrain Control Module in accordance with the Service Information. Refer to REMOVAL .
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- The mileage has been successfully programmed into the PCM. Test is complete.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .