P1229 2004 NISSAN MAXIMA - Sensor Power Supply Circuit Shorted
P1229 2004 NISSAN MAXIMA Possible 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
How is the P1229 2004 NISSAN MAXIMA code repair?Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
You can try to clean the throttle body first before replacing anything. After clean or replacing the throttle body you will have to do an Idle Air Relearn and Throttle Valve Closed Position Learning
Idle Air Relearn
Throttle Valve Closed Position Learning
What is the cost to diagnose the P1229 2004 NISSAN MAXIMA code
Labor: 1.0The cost to diagnose the P1229 2004 NISSAN MAXIMA code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
When is the code detected?The Engine Control Module (ECM) detects a voltage of power source for sensor is excessively low or high.
When the malfunction is detected, ECM enters fail-safe mode.
- Engine Light ON (or Service Engine Soon Warning Light)
P1229 2004 NISSAN MAXIMA MeaningThe Engine Control Module (ECM) detects a voltage of power source for sensor is excessively low or high. ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed opening (approx. 5 degrees) by the return spring.
More InformationNeed more information on how to fix the P1229 2004 NISSAN MAXIMA code?
Get Access to Factory Service Manuals