Test TC-42A - Pcm Failure Sri Mile Not Stored Or Pcm Failure EEPROM Write Denied (DTC 62 Or 63)
WARNING: This page is about a different car, the 1995 Dodge Ram Wagon, 1995 Dodge Ram Van, 1995 Dodge Pickup, 1995 Dodge Dakota, and 1995 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For circuit and connector terminal identification, see CONNECTOR IDENTIFICATION . For wiring diagram, see WIRING DIAGRAMS section at the end of this article.
- Turn ignition on. Using scan tool, perform SRI memory test. If DRB displays WRITE FAILURE, replace Powertrain Control Module (PCM). Perform TEST VER-2. If scan tool does not display WRITE FAILURE, go to next step.
- If scan tool displays WRITE REFUSED, go to step 4). If scan tool does not display WRITE REFUSED, go to next step.
- If scan tool displays SRI MILEAGE INVALID, update mileage and retest SRI memory. Perform TEST VER-2. If scan tool does not display SRI MILEAGE INVALID, compare SRI mileage stored with instrument panel odometer. If mileage is same, retest SRI memory. Perform TEST VER-2. If mileage is not same, update mileage and retest SRI memory. Perform TEST VER-2.
- When scan tool displays WRITE REFUSED, PCM is busy. Using scan tool, perform SRI memory test. Retest SRI memory 2 more times if necessary. If scan tool displays WRITE REFUSED, replace PCM. Perform TEST VER-2. If scan tool does not display WRITE REFUSED, vehicle is functioning properly. Perform TEST VER-2.