OBD code P0548 for Dodge indicates an issue with the Exhaust Gas Temperature Sensor (EGTS) Bank 2 Sensor 1 circuit.
Symptoms include the Engine Light being ON.
The problem can be caused by a faulty sensor, wiring harness issues, exhaust leaks, or particulate matter buildup.
It’s a moderate issue that should be addressed promptly.
To fix it, inspect the sensor, wiring, and connectors for any damage or poor connections.
Repair Importance Level | 6.67 (Out of 10) |
Estimated Repair Time | Approximately 1.0 hour |
Repair Difficulty Level | 6.67 (Out of 10) |
Symptoms of the Dodge p0548 OBD Code
The Dodge P0548 fault code typically triggers when there is an issue with the intake air heater circuit.
- Symptoms: Engine Light ON.
- Possible lack of power during acceleration.
- Engine may run rough or stall at idle.
Causes of the Dodge p0548 OBD Code
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P0548 in Dodge vehicles typically indicates an issue with the intake air heater control circuit.
- P0548 can be caused by a faulty Exhaust Gas Temperature Sensor (EGTS) Bank 2 Sensor 1.
- An open or shorted Exhaust Gas Temperature Sensor Bank 2 Sensor 1 harness.
- A poor electrical connection in the Exhaust Gas Temperature Sensor Bank 2 Sensor 1 circuit.
- Exhaust leaks.
- Excessive particulate matter buildup on the sensor.
Fixing Dodge Error Code p0548 Step By Step
Address the issue by inspecting the intake air heater circuit for Dodge fault code P0548.
- To fix Dodge OBDII code P0548, start by reviewing the possible causes and visually inspecting the wiring harness and connectors.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- Next, test the exhaust gas temperature sensor for proper operation and replace it if necessary.
- Clear the fault codes from the vehicle’s computer using a scan tool.
- Finally, perform a test drive to ensure the code does not return, indicating a successful repair.
Cost Of Fixing Dodge p0548 Fault Code
Diagnosing and repairing Dodge fault code P0548 involves testing and potentially replacing the exhaust gas temperature sensor.
The cost to diagnose and fix the Dodge OBD code P0548 typically ranges from $75 to $150, based on a 1. 0hour repair time.
Factors like shop rates and complexity can affect the final cost.
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Details of the Dodge p0548 OBD Code
Dodge fault code P0548 relates to the exhaust gas temperature sensor circuit high input.
Dodge OBD code P0548 means the ECM has detected a fault in the exhaust gas temperature sensor circuit bank 2 sensor 1. This code is triggered by the ECM when it detects a high voltage condition in the exhaust gas temperature sensor circuit for bank 2 sensor 1. The exhaust gas temperature sensor measures the temperature of the exhaust gases and provides this information to the ECM for proper engine management.
Mechanic’s Tech Notes
Detailed information on Dodge fault code P0548, related to the intake air heater control circuit.
OBDII code P0548 in a Dodge typically indicates an issue with the exhaust gas temperature sensor circuit low input.
To diagnose, use a multimeter to check the sensor’s resistance and voltage.
Ensure the sensor is receiving proper voltage and ground.
Scan tools can help monitor sensor data and confirm proper operation.
Visually inspect wiring and connectors for any damage or corrosion.
Test the sensor’s circuit for continuity and shorts.
If all checks out, consider replacing the sensor itself.
Reflashing the engine control module may also be necessary in some cases.
FAQ
Common symptoms of OBD code P0548 in a Dodge vehicle include Engine Light ON and potential issues with the Exhaust Gas Temperature Sensor Bank 2 Sensor 1 system.
The typical cause of OBD code P0548 in a Dodge vehicle is a faulty Exhaust Gas Temperature Sensor (EGTS) Bank 2 Sensor 1 or related wiring issues.
Diagnose and repair OBD code P0548 in Dodge: Symptoms Engine Light ON. Causes Faulty EGTS Bank 2 Sensor 1. Fix Inspect wiring harness and connectors for damage.

Wrap Up
If your Dodge is displaying OBD code p0548, you may experience issues with the exhaust gas temperature sensor circuit high input.
This could be caused by a faulty exhaust gas temperature sensor, damaged wiring, or poor connections in the circuit.
To address Dodge OBD code p0548, start by inspecting the exhaust gas temperature sensor and its wiring harness for any signs of damage or corrosion.
Test the sensor’s resistance and check for proper voltage supply and ground connections.
Replace the sensor if necessary and ensure all connections are secure to resolve the issue.
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