P0340 OBD Trouble Code

1 result found

P0340 - GM
Type Powertrain - Ignition System or Misfire - ISO/SAE Controlled
Description

CMP Sensor Circuit Conditions

Cause

Engine cranking for 2 seconds, then the PCM did not detect a CMP sensor pulse, condition met for 2 seconds

Try also: https://www.obd-codes.com/p0340