P2122 Dodge Code - Throttle/Pedal Position Sensor/Switch 'D' Circuit Low
Quick Answer
The P2122 diagnostic trouble code for Dodge vehicles indicates an issue with the Throttle/Pedal Position Sensor/Switch 'D' Circuit being detected as low. Common causes include Faulty throttle position sensor, Wiring or connector issues in the sensor circuit, Corrosion or damage to sensor components. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P2122 Dodge indicates Throttle/Pedal Position Sensor/Switch 'D' Circuit Low.
- Common causes
- Common causes include Faulty throttle position sensor, Wiring or connector issues in the sensor circuit, Corrosion or damage to sensor components.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P2122 Dodge Description
The P2122 diagnostic trouble code for Dodge vehicles indicates an issue with the Throttle/Pedal Position Sensor/Switch 'D' Circuit being detected as low. This sensor is responsible for monitoring the position of the throttle pedal and communicating that information to the engine control module (ECM). When the sensor detects a low voltage signal, it can lead to a variety of performance issues and potentially even result in the vehicle entering a limp mode, where power is limited to prevent further damage.
Common Causes of P2122 Dodge
- Faulty throttle position sensor.
- Wiring or connector issues in the sensor circuit.
- Corrosion or damage to sensor components.
- ECM software or hardware problems.
- Environmental factors affecting sensor performance.
Symptoms of P2122 Dodge
- Hesitation or lack of response when pressing the accelerator pedal.
- Engine stalling or rough idling.
- Reduced power and acceleration.
- Illumination of the Check Engine Light.
- Vehicle entering limp mode.
How to Fix P2122 Dodge
- Begin by conducting a thorough inspection of the throttle position sensor and its wiring for any visible damage or corrosion.
- Test the sensor using a multimeter to check for proper voltage output.
- Replace the throttle position sensor if it fails the voltage test.
- Clear the diagnostic trouble codes from the ECM using a scan tool.
- Test drive the vehicle to ensure the issue has been resolved and the code does not return.
Cost to Fix P2122 Dodge
The cost of repairing a P2122 code on a Dodge vehicle can vary depending on the specific model and year. On average, the replacement of a throttle position sensor can range from $100 to $200, with additional costs for labor if done by a professional mechanic. Considering the diagnostic time and labor rates at auto repair shops, the total repair cost can be estimated to be between $150 and $400. It is recommended to obtain quotes from multiple sources to ensure a competitive price and quality service.
Need more information about the P2122 Dodge code?
Need more information on how to fix the P2122 Dodge code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P2122 Dodge code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P2122 Dodge Code
1. What are common symptoms of OBDII code P2122 in a Dodge vehicle?
- Common symptoms include reduced engine power, hesitation or stalling when accelerating, and the vehicle going into "limp mode."
2. What causes the OBDII code P2122 in a Dodge related to the Throttle/Pedal Position Sensor/Switch 'D' Circuit Low?
- The code is typically triggered by a malfunction in the throttle position sensor or its circuit, such as a faulty sensor, damaged wiring, or poor electrical connections.
3. How can I diagnose the issue causing OBDII code P2122 in my Dodge?
- Diagnosing the problem involves checking the throttle position sensor's wiring and connectors for damage, testing the sensor's voltage output, and using a scan tool to monitor sensor data.
4. Can driving with OBDII code P2122 in a Dodge cause further damage to the vehicle?
- Continuing to drive with this code may lead to poor engine performance, decreased fuel efficiency, and potential damage to other engine components over time.
5. Is it safe to continue driving my Dodge with OBDII code P2122 present?
- It is not recommended to drive the vehicle with this code as it can affect the vehicle's drivability and safety. It's best to address the issue promptly.
6. How can I repair OBDII code P2122 in my Dodge related to the Throttle/Pedal Position Sensor/Switch 'D' Circuit Low?
- Repair options include replacing the throttle position sensor, repairing damaged wiring or connectors, and ensuring proper sensor calibration.
7. Are there any DIY fixes for OBDII code P2122 in a Dodge?
- DIY fixes may include checking and cleaning the throttle position sensor, inspecting the wiring for visible damage, and resetting the trouble code to see if it reoccurs.
8. How much does it typically cost to fix OBDII code P2122 in a Dodge at a repair shop?
- The cost of repairs can vary depending on the extent of the issue and the labor rates of the repair shop, but it may range from $100 to $300 or more.
9. Will resetting the OBDII code P2122 in my Dodge make it go away permanently?
- Resetting the code may temporarily turn off the check engine light, but if the underlying issue causing the code is not addressed, it is likely to reappear.
10. Can a faulty throttle position sensor cause other OBDII codes to appear in a Dodge?
- Yes, a malfunctioning throttle position sensor can trigger related codes such as P2123, P2121, or other codes related to the throttle position sensor circuit.
Discuss the causes and fixes for P2122 Dodge OBDII Code
Code P2122 Dodge comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.