[SOLVED] Dodge P2122 Code: Quick Fix For Low Throttle Position Signal

The OBD code P2122 for Dodge indicates a problem with the Accelerator Pedal Position (APP) Sensor circuit.

Symptoms include the Engine Light being ON.

Causes may include a faulty APP Sensor, Throttle Body Assembly, or issues with the sensor circuit.

This issue should be addressed promptly to prevent further damage.

A possible fix involves inspecting and repairing any damaged components or wiring connections related to the APP Sensor circuit.

Repair Importance Level	10.0 (Out of 10)
Estimated Repair Time	Approximately 1.0 hour
Repair Difficulty Level	6.67 (Out of 10)

Symptoms of the Dodge p2122 OBD Code

The vehicle may experience issues related to the throttle position sensor circuit.

Symptoms: Engine Light ON.
Accelerator pedal may not respond.
Vehicle may go into limp mode.

Causes of the Dodge p2122 OBD Code

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Possible reasons for Dodge fault code P2122 include faulty throttle position sensor or wiring issues.

P2122 can be caused by a Faulty Accelerator Pedal Position (APP) Sensor.
A Faulty Throttle Body Assembly.
An open or shorted Accelerator Pedal Position Sensor harness.
A poor electrical connection in the Accelerator Pedal Position Sensor circuit.
Or a Faulty Powertrain Control Module (PCM).

Fixing Dodge Error Code p2122 Step By Step

Replace the throttle position sensor on the Dodge to address fault code P2122.

To fix the Dodge OBDII code P2122, start by reviewing the possible causes mentioned above.
Visually examine the throttle position sensor wiring harness and connectors for any damage.
Check the connector pins for signs of being broken, bent, pushed out, or corroded.
If any issues are found, repair or replace the damaged components as necessary.
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 p2122 Fault Code

Diagnosing and repairing Dodge fault code P2122 involves testing and potentially replacing the throttle position sensor.

The cost to diagnose and fix the Dodge OBD code P2122 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, depending on shop rates and the complexity of the repair.

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Details of the Dodge p2122 OBD Code

Dodge code P2122 relates to a problem with the throttle position sensor.

Dodge OBD code P2122 means that the throttle/pedal position sensor/switch D circuit is low.

This code is triggered by the Engine Control Module (ECM) when it detects a low voltage signal from the throttle position sensor or pedal position sensor.

The throttle position sensor (TPS) is the component that triggers this fault code.

It is responsible for monitoring the position of the throttle plate in the throttle body and sending voltage signals to the ECM to indicate throttle position.

When the ECM receives a low voltage signal from the TPS, it sets code P2122, indicating an issue with the throttle/pedal position sensor/switch D circuit.

This can lead to drivability issues and may cause the vehicle to enter a reduced power or limp mode to prevent further damage.

Mechanic’s Tech Notes

For Dodge code P2122, check throttle position sensor circuit low voltage.

To diagnose and fix OBDII code P2122 on a Dodge, start by checking the throttle position sensor (TPS) circuit.

Use a voltmeter to test the TPS sensor’s voltage signal.

Ensure the TPS is functioning correctly and not sticking.

Inspect the wiring harness and connectors for any damage, corrosion, or loose connections.

Verify the TPS signal with a scan tool to see if it matches the actual throttle position.

If necessary, recalibrate or replace the TPS sensor.

Additionally, check for any issues with the power and ground connections to the TPS.

Reflash the TCM if needed to address the fault code.

FAQ

1. What are the common symptoms associated with OBD code P2122 in a Dodge vehicle?

Common symptoms of OBD code P2122 in a Dodge vehicle include Engine Light ON, caused by issues with the Accelerator Pedal Position Sensor or related components.

2. What is the typical cause of OBD code P2122 in a Dodge vehicle?

The typical cause of OBD code P2122 in a Dodge vehicle is a faulty Accelerator Pedal Position (APP) Sensor or issues with related components and wiring.

3. How can I diagnose and fix OBD code P2122 in my Dodge vehicle?

Diagnose and fix OBD code P2122 in your Dodge by checking APP sensor, throttle body, wiring harness, connectors for damage, and PCM for faults.

Wrap Up

If your Dodge is displaying OBD code p2122, you may experience issues like reduced engine power, hesitation, or stalling.

This code typically indicates a problem with the throttle position sensor or its circuit, possibly due to a faulty sensor, wiring problem, or poor connection.

To address Dodge OBD code p2122, start by inspecting the throttle position sensor and its wiring harness for any signs of damage or corrosion.

Test the sensor’s output voltage and ensure proper connection at the sensor and the engine control module.

Replace the sensor if necessary and repair any damaged wiring or connectors to resolve the