P2128 Dodge Code - Throttle/Pedal Position Sensor/Switch 'E' Circuit High
Quick Answer
The Accelerator Pedal Position (APP) sensor is an input to the Powertrain Control Module (PCM) and used to determine the amount of torque requested by the operator. Common causes include Faulty Accelerator Pedal Position (APP) Sensor, Accelerator Pedal Position (APP) Sensor harness is open or shorted, Accelerator Pedal Position (APP) Sensor circuit poor electrical connection. 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
- P2128 Dodge indicates Throttle/Pedal Position Sensor/Switch 'E' Circuit High.
- Common causes
- Common causes include Faulty Accelerator Pedal Position (APP) Sensor, Accelerator Pedal Position (APP) Sensor harness is open or shorted, Accelerator Pedal Position (APP) Sensor circuit poor electrical connection.
- 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.
Code P2128 Dodge Description
What are the Possible Causes of the DTC P2128 Dodge?
- Faulty Accelerator Pedal Position (APP) Sensor
- Accelerator Pedal Position (APP) Sensor harness is open or shorted
- Accelerator Pedal Position (APP) Sensor circuit poor electrical connection
- Faulty Powertrain Control Module (PCM)
How to Fix the DTC P2128 Dodge?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P2128 Dodge code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P2128 Dodge Code
What does the OBDII code P2128 mean on a Dodge vehicle?
P2128 indicates a "Throttle/Pedal Position Sensor/Switch 'E' Circuit High," meaning the voltage in the throttle or pedal position sensor circuit is higher than the expected range.
What are the common symptoms of code P2128 in a Dodge?
Symptoms may include reduced engine power, poor throttle response, the vehicle going into limp mode, and the Check Engine Light being illuminated.
What causes code P2128 to appear in Dodge vehicles?
Common causes include a faulty throttle/pedal position sensor, damaged or corroded wiring, a bad electrical connection, or a malfunctioning engine control module (ECM).
Can I drive my Dodge with a P2128 code?
Driving with a P2128 code is not recommended, as it may lead to unsafe driving conditions due to reduced engine power or throttle response issues.
How do I fix the P2128 code on my Dodge?
Start by inspecting the throttle/pedal position sensor, checking the wiring and connectors for damage or corrosion, and replacing any faulty components. If the issue persists, further diagnostics of the ECM may be necessary.
How much does it cost to repair a P2128 code?
The cost depends on the cause. Replacing a throttle/pedal position sensor typically costs $100–$300, while fixing wiring issues may vary based on labor rates. ECM repairs could be more expensive.
Can a dirty throttle body cause a P2128 code?
No, a dirty throttle body is unlikely to trigger a P2128 code, as this code specifically relates to high voltage in the sensor circuit, not mechanical issues like dirt buildup.
How can I diagnose the P2128 code on my Dodge at home?
Use a multimeter to check the voltage at the throttle/pedal position sensor and inspect the wiring for breaks or corrosion. Compare the readings to the manufacturer’s specifications.
Does a P2128 code mean the sensor is bad?
Not necessarily. While a faulty sensor is a common cause, the issue could also result from wiring problems or a malfunctioning ECM.
Will clearing the P2128 code fix the issue?
Clearing the code will turn off the Check Engine Light temporarily, but the underlying problem must be resolved, or the code will return.
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