Powertrain
generic / SAE
P2C49
Coolant Pump D Control Circuit Performance/Stuck Off
Coolant pump D is commanded on but does not respond as expected. Pump motor stuck, relay weld, or driver fault.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberC / 49
Possible causes
- Pump motor mechanically stuck high
- Output driver fault medium
- Carbon or debris buildup preventing free movement low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1000 €
- Estimated time: 1–4 h
- Component: coolant pump d
- Component: wiring harness
- Component: ecm
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012