P2122 2011 Toyota Camry Code - Throttle Pedal Position Sensor/Switch 'D' Circuit Input Low
Quick Answer
The Accelerator Pedal Position (APP) sensor is mounted on the accelerator pedal to detect the angle of the accelerator pedal. 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
- P2122 2011 Toyota Camry indicates Throttle Pedal Position Sensor/Switch 'D' Circuit Input Low.
- 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 P2122 2011 Toyota Camry Description
In the accelerator pedal position sensor, the voltage applied to terminals VPA and VPA2 of the Engine Control Module (ECM) changes between 0 V and 5 V in proportion to the angle of the accelerator pedal. The VPA is a signal to indicate the actual accelerator pedal angle and is used for the engine control. VPA2 is used to detect malfunctions of the sensor itself.
The ECM monitors the accelerator pedal angle from VPA and VPA2 signal outputs, and controls the throttle motor based on these signals.
What are the Possible Causes of the DTC P2122 2011 Toyota Camry?
- 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 Engine Control Module (ECM)
How to Fix the DTC P2122 2011 Toyota Camry?
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 P2122 2011 Toyota Camry 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 P2122 2011 Toyota Camry Code
1. What does the OBDII code P2122 mean on a 2011 Toyota Camry?
P2122 indicates that the Throttle Pedal Position Sensor/Switch 'D' circuit has a low input, meaning the sensor signal is below the expected voltage range.
2. What are the common symptoms of P2122 in a 2011 Toyota Camry?
Symptoms include reduced engine power, inability to accelerate, throttle hesitation, and, in some cases, the vehicle entering "limp" mode.
3. What causes the P2122 code to appear in a 2011 Toyota Camry?
Common causes include a faulty throttle pedal position sensor, damaged or corroded wiring, poor electrical connections, or a malfunctioning engine control module (ECM).
4. Can I drive my 2011 Toyota Camry with the P2122 code?
Driving with P2122 is not recommended, as the reduced throttle response and potential limp mode can compromise safety and lead to further issues.
5. How is the P2122 code diagnosed in a 2011 Toyota Camry?
A technician will use a scan tool to check freeze frame data, inspect the throttle pedal position sensor, and test the sensor circuit for proper voltage and continuity.
6. How do I fix the P2122 code on a 2011 Toyota Camry?
Repairs may involve replacing the throttle pedal position sensor, repairing or replacing damaged wiring, cleaning corroded connections, or reprogramming the ECM if necessary.
7. How much does it cost to repair the P2122 code on a 2011 Toyota Camry?
Repair costs vary but typically range from $150 to $400, depending on whether the issue is with the sensor, wiring, or ECM.
8. Is the throttle pedal position sensor the same as the accelerator pedal sensor?
Yes, the throttle pedal position sensor is often integrated into the accelerator pedal assembly and monitors pedal movement.
9. Can a dead battery cause the P2122 code in a 2011 Toyota Camry?
A dead or weak battery is unlikely to cause P2122 directly, but voltage irregularities during startup can sometimes lead to sensor-related codes.
10. How do I prevent the P2122 code from reoccurring in my 2011 Toyota Camry?
Regularly inspect and maintain the vehicle’s electrical system, including connectors and wiring around the throttle pedal assembly, to catch potential issues early.
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