B3031 Diagnostic Trouble Code Discussion for April 2022
Security system controller in learn mode
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| Help Request | Posted | |
| 2002 Chevrolet Express 3500 5.7L No Start VIN: 1GBHG31R32 B3031: Security system controller in learn mode. ... no spark issue, i had a code p0335 for the crank sensor i removed the crank sensor and found that the sensor was damaged because the sensor was rubbing against the tone wheel on the crankshaft so i replaced it and added some shims to the sensor but it ... |
April 14, 2022 |
