P1D59
Sensor Power Supply 1 Circuit Fault
P1D59 is an OBD-II diagnostic trouble code meaning: Sensor Power Supply 1 Circuit Fault. Common causes: open or short circuit in the sensor power supply circuit, faulty relay or fuse. Estimated repair cost: $6–56.
Symptoms
- Check Engine light comes on
- Unstable engine operation
- Reduced engine power
- Increased fuel consumption
- The engine goes into emergency mode
Causes
- Open or short circuit in the sensor power supply circuit
- Faulty relay or fuse
- Wiring Harness Problems
- Malfunction of the sensor itself
- Problems with the engine control unit (ECU)
How to Fix
- Check fuses and relays associated with the sensor power circuit
- Inspect the wiring harness for damage or corrosion.
- Check the voltage at the sensor connector
- Replace sensor if necessary
- Check and, if necessary, replace the engine control unit (ECU)
Related codes
FAQ
What does the P1D59 code mean?
P1D59 is an OBD-II diagnostic trouble code that indicates: Sensor Power Supply 1 Circuit Fault
What causes a P1D59 error code?
The most common causes of P1D59 include: Open or short circuit in the sensor power supply circuit; Faulty relay or fuse; Wiring Harness Problems; Malfunction of the sensor itself.
How do I fix a P1D59 diagnostic trouble code?
To fix P1D59: Check fuses and relays associated with the sensor power circuit. Inspect the wiring harness for damage or corrosion.. Check the voltage at the sensor connector. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1D59?
Yes, but get it checked soon
How much does it cost to fix P1D59?
The estimated repair cost for P1D59 is $6–56. Actual cost depends on your vehicle, location, and labor rates.
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