Powertrain
generic / SAE
P26CB
Engine Coolant Pump Performance/Stuck Off
The main electric coolant pump is commanded on but does not run.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / CB
Possible causes
- Pump motor seized by sediment high
- Cracked rotor magnet decouples drive medium
- Carbon or debris buildup preventing free movement low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 250–1300 €
- Estimated time: 1–4 h
- Component: engine coolant pump
- Component: pump motor
- MIL / check engine light
Sources
References
sae:J2012