P03C1
Cylinder 5 Pressure Sensor Circuit Intermittent/Erratic
P03C1 is an OBD-II diagnostic trouble code meaning: Cylinder 5 Pressure Sensor Circuit Intermittent/Erratic. Common causes: damage to the sensor wiring harness, malfunction of the cylinder pressure sensor. Estimated repair cost: $56–167.
Symptoms
- Unstable engine operation
- Power reduction
- Increased fuel consumption
- Check Engine light comes on
Causes
- Damage to the sensor wiring harness
- Malfunction of the cylinder pressure sensor
- Corrosion or poor contact in connectors
- Engine control module (ECU) malfunction
How to Fix
- Check the integrity of the sensor wiring harness
- Check sensor connectors for corrosion and tight connections.
- Replace cylinder pressure sensor if necessary
- Check the operation of the engine control module (ECU)
Related codes
Error P03C1 by Vehicle Brand
FAQ
What does the P03C1 code mean?
P03C1 is an OBD-II diagnostic trouble code that indicates: Cylinder 5 Pressure Sensor Circuit Intermittent/Erratic
What causes a P03C1 error code?
The most common causes of P03C1 include: Damage to the sensor wiring harness; Malfunction of the cylinder pressure sensor; Corrosion or poor contact in connectors; Engine control module (ECU) malfunction.
How do I fix a P03C1 diagnostic trouble code?
To fix P03C1: Check the integrity of the sensor wiring harness. Check sensor connectors for corrosion and tight connections.. Replace cylinder pressure sensor if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P03C1?
Limited driving only, diagnose soon
How much does it cost to fix P03C1?
The estimated repair cost for P03C1 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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