P1621 Diagnostic Trouble Code Discussion for November 2013
Control Module Long Term Memory Performance
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| Help Request | Posted | |
| 2000 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G6KD54YXY P1621: Control Module Long Term Memory Performance. ... dealer bought this car at the auction. Very nice clean car. His complaint was the check engine light is on and the car shifts hard. We scanned the check engine light and found: P0101 Mass Air Flow Circuit Out of Range P0335 CKP Sensor "A" Circuit... |
November 27, 2013 |
