P053A
Positive Crankcase Ventilation Heater Control Circuit / Open
Generic code
Vehicle Speed and Idle Control System
High severity
Hard repair
Free on OBD DashX
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What P053A means
- Actual Positive Crankcase Ventilation Heater Control (PCVHC) circuit voltage is high or less than the desired voltage
Possible symptoms
- Check Engine Light/MIL will be on
Possible causes
- Positive Crankcase Ventilation Heater control (PCVHC) circuit open or short to ground
- IGN START/RUN circuit open or short to ground
- Faulty Positive Crankcase Ventilation (PCV) Heater assembly
Related parts
- Crankcase Ventilation Heater: Crankcase is the covering for the crankshaft. A crankcase ventilation system allows gases to escape from the crankcase of the engine and the heater keeps the lubricating oil warm. Problems lead to poor emissions
Free on OBD DashX
P053A on OBD DashX
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