Engine Error
P0602
Control Module Programming Error
Severity
High
Symptoms
Engine crank but no start, check engine light flashing, multiple systems offline
Common Causes
- Interrupted PCM flash/update
- Incorrect software flashed to PCM
- Aftermarket tune failure
- Internal memory chip failure in PCM
How to Fix
- 1 Reflash PCM with correct OEM software
- 2 Remove aftermarket performance tunes
- 3 Replace PCM/ECM
Estimated Repair Cost
USD
$150
–
$1000
Reprogramming: $150 - $300; New PCM: $600 - $1,000