Powertrain
generic / SAE
P2DE9
Cold Start Engine Coolant Pump Underspeed
During cold start, the engine coolant pump runs below the calibrated minimum speed. Cold viscosity load too high or pump weak.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberD / E9
Possible causes
- Cold coolant viscosity too high high
- Pump output degraded medium
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 300–1800 €
- Estimated time: 2–7 h
- Component: engine coolant pump
- MIL / check engine light
- drive cycle required
- limp mode possible
Sources
References
sae:J2012