P03CB
Cylinder 6 Pressure Sensor Circuit Intermittent/Erratic
P03CB is an OBD-II diagnostic trouble code meaning: Cylinder 6 Pressure Sensor Circuit Intermittent/Erratic. Common causes: open or shorted sensor wiring harness, poor contact in the sensor connector. Estimated repair cost: $56–167.
Symptoms
- Unstable engine operation
- Increased fuel consumption
- Power reduction
- Misfires
- Check Engine light comes on
Causes
- Open or shorted sensor wiring harness
- Poor contact in the sensor connector
- Cylinder pressure sensor malfunction
- ECU problems (rare)
How to Fix
- Check the integrity of the wiring harness and connectors
- Measure the resistance and signal of the sensor with a multimeter/oscilloscope
- Replace cylinder pressure sensor if necessary
- Clear error codes and test drive
Related codes
Error P03CB by Vehicle Brand
FAQ
What does the P03CB code mean?
P03CB is an OBD-II diagnostic trouble code that indicates: Cylinder 6 Pressure Sensor Circuit Intermittent/Erratic
What causes a P03CB error code?
The most common causes of P03CB include: Open or shorted sensor wiring harness; Poor contact in the sensor connector; Cylinder pressure sensor malfunction; ECU problems (rare).
How do I fix a P03CB diagnostic trouble code?
To fix P03CB: Check the integrity of the wiring harness and connectors. Measure the resistance and signal of the sensor with a multimeter/oscilloscope. Replace cylinder pressure sensor if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P03CB?
Limited driving only, diagnose soon
How much does it cost to fix P03CB?
The estimated repair cost for P03CB is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat