Fault Code P0653
Code meaning, symptoms, possible causes, part number, and estimated cost.
P0653
ECU / Output Circuit Fault
DTC P0653 indicates a fault in the reference output circuit of the Electronic Control Unit (ECU/PCM), typically a higher than normal voltage. This disrupts sensor readings or the operation of related components.
Part Details
Part Name
Electronic Control Unit (ECU/PCM), Sensors
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪300 - ₪6,000
Engine Location
Engine Bay/Passenger Compartment
Symptoms
- Check Engine Light on
- Sensor operation malfunctions
- Poor engine performance
- Vehicle not starting
Possible Causes
- 1Short to voltage in the reference circuit
- 2Faulty or disconnected wiring
- 3Internal fault within the ECU unit
- 4Overload on the circuit
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