B1440 Diagnostic Trouble Code Discussion for December 2011
Ignition mismatch
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| Help Request | Posted | |
| 2009 Chevrolet Silverado 3500 HD LT 6.6L MIL Lamp on, Delayed turn off VIN: 1GBJC84689 B1440: Ignition mismatch. This truck has a delayed turn off, you can take the keys out of ignition and it will keep running for at least 15 seconds. Mitchell doesn't give good diagnostics and if i un plug bcm truck dies. Replace bcm and still has same problem.if the tech 2 is pluged in... |
December 29, 2011 |
