Engine Error
P0606
ECM / PCM Processor Fault
Severity
High
Symptoms
Engine stalling, no-start condition, multiple warning lights
Common Causes
- Internal PCM failure
- PCM ground circuit problem
- Corroded battery cables
- Bad PCM power relay
How to Fix
- 1 Test PCM power and ground circuits
- 2 Flash/Reprogram PCM
- 3 Replace PCM/ECM
- 4 Replace battery cables
Estimated Repair Cost
USD
$500
–
$1500
PCM unit: $500 - $1,200; Programming: $150 - $300