Engine Error
P0670
Glow Plug Module Control Circuit
Severity
Medium
Symptoms
Hard starting in cold weather, check engine light on, white smoke on startup
Common Causes
- Failed glow plug control module
- Open or shorted control circuit wiring
- Blown glow plug module fuse
- Corroded ground connection
How to Fix
- 1 Test and replace glow plug control module
- 2 Repair damaged wiring harness
- 3 Replace blown fuses
- 4 Clean main ground cables
Estimated Repair Cost
USD
$150
–
$500
Glow plug module: $200 - $500