The OBD code P20FC for Dodge indicates an issue with the Diesel Exhaust Fluid (DEF) pump circuit.
Symptoms include the Engine Light being ON.
The main causes are a faulty DEF pump, open/shorted DEF pump harness, poor electrical connection, or a faulty Powertrain Control Module (PCM).
This is a moderate issue.
To fix it, inspect and repair any damaged components, wiring harness, or connectors related to the DEF pump circuit.
| 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 Dodge p20fc OBD Code
The Dodge P20FC fault code may be accompanied by rough idling and decreased engine performance.
- Symptoms: Engine Light ON.
- Reduced engine power.
- Loss of acceleration.
- Rough idling.
- Turbocharger underboost condition.
Causes of the Dodge p20fc OBD Code
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Possible triggers for Dodge fault code P20FC include issues with the exhaust gas temperature sensor.
- P20FC can be caused by a faulty Diesel Exhaust Fluid (DEF) Pump.
- A Diesel Exhaust Fluid Pump harness that is open or shorted.
- A Diesel Exhaust Fluid Pump circuit with poor electrical connection.
- Or a faulty Powertrain Control Module (PCM).
Fixing Dodge Error Code p20fc Step By Step
To resolve fault code P20FC on a Dodge, inspect and repair the exhaust gas temperature sensor circuit.
- To fix the Dodge OBDII code P20FC, start by reviewing the possible causes mentioned above.
- Visually examine the corresponding wiring harness and connectors for any damage.
- Check the connector pins for signs of being broken, bent, pushed out, or corroded.
- If no issues are found with the wiring, consider replacing the diesel exhaust fluid injector.
- Clear the fault code from the vehicle’s computer using a scan tool.
- Test drive the vehicle to ensure the code does not return.
Cost Of Fixing Dodge p20fc Fault Code
Diagnosing and repairing fault code P20FC on a Dodge may involve replacing the DEF pressure sensor.
The cost to diagnose and fix the Dodge OBD code P20FC depends on the estimated 1. 0hour repair time.
Labor rates usually range from $75 to $150 per hour, so the total cost could be between $75 and $150. Factors like shop rates and the complexity of the repair can affect the final cost.
Details of the Dodge p20fc OBD Code
Dodge fault code P20FC relates to a problem with the reductant heater control circuit.
Dodge OBD code P20FC means that the Reductant Control Module has detected a fault in the Reductant Heater A Control Circuit.
This code is triggered by the Reductant Control Module when it detects an electrical issue in the circuit responsible for controlling the reductant heater A.
The reductant heater is used to warm up the diesel exhaust fluid (DEF) to help with emissions control.
When this circuit has a fault, it can affect the proper operation of the reductant heater, leading to potential emissions issues.
Mechanic’s Tech Notes
Detailed information on diagnosing and repairing fault code P20FC in Dodge vehicles.
To diagnose and fix OBDII code P20FC on a Dodge, 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.
Additionally, visually inspect the wiring harness and connectors for any damage, and check connector pins for signs of being broken, bent, pushed out, or corroded.
This thorough inspection will help identify and address potential issues causing the P20FC fault code.
FAQ
OBD code P20FC in a Dodge indicates an issue with the Diesel Exhaust Fluid (DEF) pump circuit. Check for wiring harness damage and connector issues for repair.
Common symptoms of OBD code P20FC in a Dodge include Engine Light ON. Causes may be a faulty DEF pump or wiring issues. Inspect and repair as needed.
Diagnose and fix OBD code P20FC in Dodge: Symptoms Engine Light ON. Causes Faulty DEF Pump, harness issues, PCM. Fix Inspect wiring, connectors for damage or corrosion.
Wrap Up
If your Dodge is displaying OBD code P20FC and you notice a decrease in engine power, it could be caused by a faulty exhaust gas temperature sensor, a damaged wiring harness, or a problem with the exhaust gas temperature sensor circuit.
To address Dodge OBD code P20FC, check the exhaust gas temperature sensor for proper operation, inspect the wiring harness for any signs of damage or corrosion, and test the sensor circuit for continuity and proper voltage levels.
Replace the sensor or repair any wiring issues as needed to resolve the problem.
