The OBD code P00C6 indicates a fuel pressure regulator control circuit low.
This code affects the fuel system.
Symptoms include the engine light being on.
Causes can be a plugged fuel filter, restricted fuel supply line, faulty fuel pump module, or faulty fuel injection pump.
It is a moderate issue.
To fix it, check the mentioned causes and inspect wiring harness, connectors, and components for damage.
Repair Importance Level | 10.0 (Out of 10) |
Estimated Repair Time | Approximately 1.0 hour |
Repair Difficulty Level | 10.0 (Out of 10) |
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Symptoms of the p00c6 OBD Code
The vehicle may experience a fuel pressure regulator control circuit performance issue with code P00C6.
- Symptoms: Engine Light ON.
- Reduced engine performance.
- Rough idling.
- Engine stalling.
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Causes of the p00c6 OBD Code
Possible reasons for fault code P00C6 include issues with the fuel pressure control circuit.
- P00C6 can be caused by a plugged or dirty fuel filter.
- A restricted fuel supply line.
- A faulty Fuel Pump Module.
- A faulty Fuel Injection Pump.
Fixing Error Code p00c6 Step By Step
Repair the fuel pressure regulator control circuit in the fuel pressure regulator control module.
- To fix OBDII code P00C6, first, review the possible causes related to this code.
- Visually examine the wiring harness and connectors associated with the fuel pressure regulator control circuit.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- If no visible issues are found, perform a thorough check of the fuel pressure regulator and its control module for proper operation.
- Replace the fuel pressure regulator or its control module if necessary.
- Clear the fault codes from the vehicle’s computer using a scan tool and test drive the vehicle to verify that the issue has been resolved.
Cost Of Fixing p00c6 Fault Code
Diagnosing and repairing fault code P00C6 may involve inspecting and replacing the fuel rail pressure sensor.
The cost to diagnose and fix OBD code P00C6 typically ranges from $75 to $150, based on a 1. 0hour repair time.
Factors like shop rates and complexity can affect the final cost.
Details of the p00c6 OBD Code
Fault code P00C6 relates to a fuel pressure regulator control circuit low.
OBD code P00C6 indicates a fault with the fuel pressure regulator control circuit.
This code is triggered by the Engine Control Module (ECM) when it detects a discrepancy in the signal from the fuel pressure regulator control circuit.
The ECM monitors this circuit to ensure proper fuel pressure regulation for optimal engine performance.
If the signal deviates from the expected range, the ECM will set code P00C6. This code typically involves issues with the fuel pressure regulator, wiring, or connectors related to the fuel pressure regulator control circuit.
Mechanic’s Tech Notes
Code P00C6 indicates a fuel rail pressure too low condition in the fuel system.
To diagnose and fix OBDII code P00C6, start by checking the Transmission Control Module (TCM) power and ground using a multimeter.
Verify TCM communication over the Controller Area Network (CAN) using a scan tool.
If the TCM does not respond, reprogramming or reflashing may be necessary.
Visually inspect the wiring harness and connectors for any damage, focusing on broken, bent, or corroded pins.
Ensure all connections are secure.
If the issue persists, consider consulting a professional for further diagnosis and repair.
FAQ
OBD code P00C6 indicates an issue with the fuel system. Check for a plugged fuel filter, restricted fuel supply line, faulty fuel pump module, or injection pump. Inspect wiring and connectors.
Common symptoms for OBD code P00C6 include Engine Light ON, caused by issues like a plugged fuel filter, restricted fuel supply line, faulty fuel pump module, or injection pump.
Diagnose and repair OBD code P00C6 by checking fuel filter, supply line, fuel pump module, and injection pump. Inspect wiring harness, connectors, and components for damage or corrosion.

Wrap Up
If your vehicle displays OBDII code p00c6, you may experience issues with the fuel pressure control system.
This could be caused by a faulty fuel pressure regulator, clogged fuel filter, or a malfunctioning fuel pump.
Wiring issues or a low fuel level could also trigger this code.
To address OBDII code p00c6, start by checking the fuel pressure regulator, fuel filter, and fuel pump for proper operation.
Inspect the wiring harness for any damage or corrosion, and ensure all connectors are securely attached.
Consider testing the fuel pressure to pinpoint the exact cause of the