Automatic Transmission (MN5)
WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, transmission in park, observe the scan tool ECM PNP Switch parameter. The reading should be Park/Neutral.
- If not the specified value, refer to PNP Switch Circuit Malfunction.
- Command the Starter Relay ON with a scan tool (L61/LNF), or turn the ignition switch to the START position (LE5). The starter solenoid should engage and the engine should crank.
- If the solenoid engages but the engine does not crank, refer to Starter Solenoid Clicks, Engine Does Not Crank .
- If the solenoid does not engage, refer to CRNK Relay Circuit Malfunction .