P0B38 OBD-II: Motor Electronics Coolant Pump "B" Control Circuit/Open
Get diagnosis and repair information for trouble code P0B38
OBD II Fault Code
- OBD II P0B38
OBD-II Code Engine may overheat is defined as a Motor Electronics Coolant Pump "B" Control Circuit/Open
The Hybrid System has its own coolant pump, the Motor Electronics Coolant Pump. This pump is monitored and controlled by the engine computer (PCM). If the pump fails to operate as requested, code P0B38 will be stored.
Engine may overheat Symptoms
- Engine may overheat
Common Problems That Trigger the P0B38 Code
- High voltage coolant pump failure
- Powertrain Control Module (PCM) failure
- Wiring issue
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