Control module: Diagnostics
- If the control module program memory ROM or working memory RAM is defective, diagnostic trouble code P0605 will be generated.
- If any internal function that affects throttle control is faulty, trouble codes P1601-P1611, P1613-P1614 or P1621 will be generated.
- If the atmosphere pressure sensor is defective, diagnostic trouble codes P1631-P1633 will be generated. The starting value for charge air pressure will be used as a substitute value and purging will be blocked.