P1229 Nissan Code - Sensor Power Supply Circuit Shorted
Quick Answer
The Engine Control Module (ECM) detects the voltage of the power source for the sensor is excessively low or high. Common causes include Check harness body ground, Faulty Accelerator Pedal Position (APP) sensor, Faulty Power Steering Pressure (PSP) sensor. 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
- P1229 Nissan indicates Sensor Power Supply Circuit Shorted.
- Common causes
- Common causes include Check harness body ground, Faulty Accelerator Pedal Position (APP) sensor, Faulty Power Steering Pressure (PSP) sensor.
- 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 P1229 Nissan Description
What are the Possible Causes of the DTC P1229 Nissan?
- 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 to Fix the DTC P1229 Nissan?
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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1229 Nissan 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 P1229 Nissan code?
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Information for Specific Nissan Models
- P1229 2004 Nissan Maxima — Sensor Power Supply Circuit Shorted
- P1229 2005 Nissan Maxima — Sensor Power Supply Circuit Shorted
- P1229 2006 Nissan Maxima — Sensor Power Supply Circuit Shorted
- P1229 2007 Nissan Maxima — Sensor Power Supply Circuit Shorted
- P1229 2008 Nissan Maxima — Sensor Power Supply Circuit Shorted
Frequently Asked Questions about P1229 Nissan Code
1. What does the OBDII code P1229 mean on a Nissan?
P1229 indicates a "Sensor Power Supply Circuit Shorted," meaning there is an electrical issue in the circuit that powers certain engine sensors.
2. What are the common symptoms of code P1229 on a Nissan?
Symptoms can include poor engine performance, reduced power, stalling, or the engine failing to start, along with the illumination of the check engine light.
3. What causes the P1229 code to trigger on a Nissan?
Common causes include a short circuit in the sensor power supply wiring, damaged or corroded connectors, or a faulty sensor drawing excessive power.
4. Which sensors are affected by the P1229 code?
This code typically involves sensors that rely on the vehicle's 5-volt reference power supply, such as the throttle position sensor or mass airflow sensor.
5. How do you diagnose the P1229 code on a Nissan?
Diagnosis involves checking the sensor power supply wiring for shorts, inspecting connectors for damage, and testing sensors for proper operation and voltage.
6. Can I drive my Nissan with the P1229 code active?
Driving with this code is not recommended, as it can cause erratic engine behavior and potentially damage other components.
7. How do you fix the P1229 code on a Nissan?
Repairs may include fixing damaged wiring, cleaning or replacing corroded connectors, or replacing a faulty sensor.
8. How much does it cost to repair a P1229 code on a Nissan?
Repair costs can vary widely depending on the issue but typically range from $50 for simple wiring repairs to $300 or more for sensor replacement.
9. Can a dead battery cause the P1229 code on a Nissan?
A dead or weak battery is unlikely to directly cause this code, but electrical issues, such as voltage irregularities, could contribute to sensor power supply problems.
10. Will clearing the code fix the P1229 issue on my Nissan?
Clearing the code may temporarily turn off the check engine light, but the underlying issue must be resolved to prevent the code from returning.
Discuss the causes and fixes for P1229 Nissan OBDII Code
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I HAVE NISSAN PATROL 2015 Y61 SAME THIS CODE P1229 ..
HOW CAN FIX ? TRY ground same problem
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I have Nissan pathfinder 2002 model it can't accelerate,what is the cause?
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Unfortunately, there are many things that can cause that problem. Are there any other symptoms or codes besides the P1229 code and poor acceleration? have you done any work on your vehicle lately?
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when checked on computer it gives P1229 code and poor acceleration. Apart suddenly engine light indication appears and accelerator stop working please advise.
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