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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (Engine Controls - Tests W/Codes - 3.8L) >> Self-Diagnostic Tests >> Test TC-35A - Pcm Failure Sri Mile Not Stored Or Pcm Failure EEPROM Write Denied (DTC 62 & 63)

Test TC-35A - Pcm Failure Sri Mile Not Stored Or 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, 1995 Dodge Caravan, and 1995 Chrysler Town & Country. 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 at the end of this article.
  1. 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.
  2. If scan tool displays WRITE REFUSED, go to step 4). If scan tool does not display WRITE REFUSED, go to next step.
  3. If scan tool displays SRI MILEAGE INVALID, update mileage.
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