Test TC-36A - Pcm Failure Sri Mile Not Stored And Pcm Failure EEPROM Write Denied (DTC 62 & 63)
WARNING: This page is about a different car, the 1995 Plymouth Voyager, 1995 Plymouth Grand Voyager, 1995 Dodge Grand Caravan, and 1995 Dodge Caravan. 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 diagrams, see WIRING DIAGRAMS
section.
- Turn ignition on. Using scan tool, perform SRI memory test. If scan tool 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 the same, retest SRI memory. Perform TEST VER-2. If mileage is not the same, update mileage and retest SRI memory. Perform TEST VER-2.
- When scan tool displays WRITE REFUSED, this means PCM was 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.