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AutoCodes - Generic - P1229

P1229 Code - Sensor Power Supply Circuit Shorted

- Code Popularity: 33,556 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1229?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Check harness body ground
  • Faulty Accelerator Pedal Position (APP) sensor
  • Faulty Power Steering Pressure (PSP) sensor
  • Faulty Refrigerant Pressure sensor
  • Faulty EVAP Control System Pressure sensor
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How to Fix the DTC P1229?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

Start by inspecting the connections of the harness to the body grounds.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1229 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P1229 Description

The Engine Control Module (ECM) detects the voltage of the power source for the sensor is excessively low or high. The ECM stops the electric throttle control actuator control, and the throttle valve is maintained at a fixed opening (approx. 5 degrees) by the return spring. The Diagnostic Trouble Code (DTC) will be set when the ECM detects the voltage of the power source for the sensor is excessively low or high.

OBDII Code P1229 - Sensor Power Supply Circuit Shorted - AutoCodes.com
P1229 Code - Sensor Power Supply Circuit Shorted

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Code P1229 comments

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