P2138 2005 Saturn Ion Code - Accelerator Pedal Position Sensor 1-2 Correlation
Quick Answer
The Accelerator Pedal Position (APP) sensor is made up of 2 sensors that are housed inside one assembly. Common causes include Faulty Accelerator Pedal Position Sensor, Accelerator Pedal Position Sensor harness is open or shorted, Accelerator Pedal Position 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
- P2138 2005 Saturn Ion indicates Accelerator Pedal Position Sensor 1-2 Correlation.
- Common causes
- Common causes include Faulty Accelerator Pedal Position Sensor, Accelerator Pedal Position Sensor harness is open or shorted, Accelerator Pedal Position 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 P2138 2005 Saturn Ion Description
What are the Possible Causes of the DTC P2138 2005 Saturn Ion?
- Faulty Accelerator Pedal Position Sensor
- Accelerator Pedal Position Sensor harness is open or shorted
- Accelerator Pedal Position Sensor circuit poor electrical connection
- Faulty Electric Throttle Control Actuator
How to Fix the DTC P2138 2005 Saturn Ion?
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 P2138 2005 Saturn Ion 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.
Need more information about the P2138 2005 Saturn Ion code?
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Frequently Asked Questions about P2138 2005 Saturn Ion Code
1. What are the common symptoms of OBDII code P2138 on a 2005 Saturn Ion related to the Accelerator Pedal Position Sensor 1-2 Correlation?
- Common symptoms include reduced engine power, hesitation or stalling when accelerating, and the vehicle going into "limp mode."
2. What could be the possible causes of OBDII code P2138 on a 2005 Saturn Ion?
- The code P2138 typically indicates a correlation issue between the two accelerator pedal position sensors, a faulty accelerator pedal position sensor, wiring or connector issues, or a problem with the throttle body.
3. How can I diagnose and repair OBDII code P2138 on my 2005 Saturn Ion?
- To diagnose the issue, you may need to use a scan tool to monitor the readings of the accelerator pedal position sensors and the throttle body. Repair may involve replacing the faulty sensor, repairing damaged wiring or connectors, or cleaning/replacing the throttle body.
4. Is it safe to continue driving my 2005 Saturn Ion with OBDII code P2138 active?
- It is not recommended to continue driving the vehicle with the code P2138 active, as it can lead to unsafe driving conditions and potential further damage to the vehicle.
5. Can I reset the OBDII code P2138 on my 2005 Saturn Ion without fixing the underlying issue?
- While you can clear the code with a scan tool, it is important to address the root cause of the problem to prevent the code from reoccurring and ensure the vehicle functions properly.
6. How much does it typically cost to repair OBDII code P2138 on a 2005 Saturn Ion?
- The cost of repairing OBDII code P2138 can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.
7. Are there any preventative measures I can take to avoid OBDII code P2138 on my 2005 Saturn Ion in the future?
- Regular maintenance and inspections of the accelerator pedal position sensors, wiring, and throttle body can help prevent issues that may trigger the P2138 trouble code.
8. Will OBDII code P2138 on a 2005 Saturn Ion affect fuel efficiency?
- Yes, the code P2138 can impact fuel efficiency as the vehicle may not be able to regulate the air-fuel mixture properly, leading to inefficient combustion.
9. Can a DIY enthusiast with basic automotive knowledge repair OBDII code P2138 on a 2005 Saturn Ion?
- Depending on the exact cause of the issue, some DIY enthusiasts may be able to address the problem by replacing the accelerator pedal position sensor or checking and repairing wiring issues. However, more complex repairs involving the throttle body may require professional assistance.
10. How long does it typically take to repair OBDII code P2138 on a 2005 Saturn Ion?
- The repair time for OBDII code P2138 can vary based on the specific cause of the issue and the expertise of the mechanic, but it may take anywhere from 1 to 3 hours to diagnose and repair the problem.
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