GM OBD Trouble Code 98
Invalid PCM program
If the PCM detects a problem with its software code 98 will be set.
Fault Code Description
- 98 - Invalid PCM program
Symptoms
- Engine may not start
Common Problems
- PCM should be reprogrammed in possible
Related Questions
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Replaced the ecm , changed the the spark plugs and spark plug wires, change the cam sensors, why is the check engine...
Dont work checked fuses and relays good