P0385 OBD Trouble Code

1 result found

P0385 - GM
Type	Powertrain - Ignition System or Misfire - ISO/SAE Controlled
Description	Crankshaft Position Sensor 'B' Circuit Conditions
Cause	Engine speed over 20 rpm, MAF sensor input more than 2.5 g/sec, then the PCM detected a loss of the CKP Sensor 'B' signal