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Speedometer & Odometer Is Inoperative Or Inaccurate
1. Using scan tool, check for Powertrain Control Module (PCM) Diagnostic Trouble Codes (DTCs). If no PCM DTCs exist, go to next step. If any PCM DTCs exist, locate and repair problem in PCM system.
2. Check for poor connection at instrument cluster connector terminal B12 (Dark Green/White wire). Check for open in Dark Green/White wire between instrument cluster and splice S242 (located in instrument panel wiring harness about 2" from data link connector breakout). Repair as necessary. If connection and circuit are okay, repair or replace instrument cluster.
3. Check Vehicle Speed Sensor mounted at trans
Sunday, September 28th, 2008 AT 1:57 AM