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Home >> Jeep >> 1996 >> Grand Cherokee Limited, 5.2 Y >> Repair and Diagnosis >> External Pages >> Different car >> Section 3 (Engine Controls - Tests W/Codes - 2.5L Flex Fuel) >> Self-Diagnostic Tests >> Test TC-36A - Pcm Failure Sri Mile Not Stored And Pcm Failure EEPROM Write Denied (DTC 62 & 63)

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 1994 Plymouth Acclaim and 1994 Dodge Spirit. 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 DIRECTORY TABLE  . For wiring diagrams, see WIRING DIAGRAMS  .
  1. Turn ignition on. Using DRB, perform SRI memory test. If DRB displays WRITE FAILURE, replace Powertrain Control Module (PCM). Perform TEST VER-2. If DRB does not display WRITE FAILURE, go to next step.
  2. If DRB displays WRITE REFUSED, go to step 4). If DRB does not display WRITE REFUSED, go to next step.
  3. If DRB displays SRI MILEAGE INVALID, update mileage and retest SRI memory. Perform TEST VER-2. If DRB 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.
  4. When DRB displays WRITE REFUSED this means PCM was busy. Using DRB, perform SRI memory test. Retest SRI memory 2 more times if necessary. If DRB displays WRITE REFUSED, replace PCM. Perform TEST VER-2. If DRB does not display WRITE REFUSED, vehicle is functioning properly. Perform TEST VER-2.