Engine-CodesInfiniti – P1236 Infiniti

P1236 Infiniti Code - Throttle Control Motor Circuit Short Bank 2

Quick Answer

The P1236 code for Infiniti vehicles indicates a problem with the throttle control motor circuit on bank 2. Common causes include Faulty throttle control motor, Short circuit in the wiring or connectors, Corrosion in the electrical connections. 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
P1236 Infiniti indicates Throttle Control Motor Circuit Short Bank 2.
Common causes
Common causes include Faulty throttle control motor, Short circuit in the wiring or connectors, Corrosion in the electrical connections.
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.
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P1236 Infiniti Description

The P1236 code for Infiniti vehicles indicates a problem with the throttle control motor circuit on bank 2. The throttle control motor is responsible for regulating the airflow into the engine, which affects the vehicle's performance. In this case, a short circuit has been detected in the circuit that controls the throttle motor on bank 2. This can lead to issues with the engine's responsiveness, fuel efficiency, and overall drivability of the vehicle.

OBDII Code P1236 Infiniti - Throttle Control Motor Circuit Short Bank 2
P1236 Infiniti Code - Throttle Control Motor Circuit Short Bank 2

Common Causes of P1236 Infiniti

  1. Faulty throttle control motor
  2. Short circuit in the wiring or connectors
  3. Corrosion in the electrical connections
  4. ECM failure
  5. Environmental factors such as moisture or debris causing a short circuit

Symptoms of P1236 Infiniti

  1. Reduced engine power
  2. Poor acceleration
  3. Stalling of the engine
  4. Illumination of the Check Engine Light
  5. Rough idling

How to Fix P1236 Infiniti

  1. Begin by conducting a thorough inspection of the throttle control motor circuit, including the wiring, connectors, and throttle control motor itself.
  2. Test the throttle control motor and its circuit for proper functioning using a multimeter.
  3. Repair any damaged wiring or connectors and replace any faulty components such as the throttle control motor or ECM.
  4. Clear the diagnostic trouble codes from the ECM and perform a test drive to ensure the issue has been resolved.
  5. If necessary, reprogram the ECM to ensure proper communication with the repaired components.

Cost to Fix P1236 Infiniti

The cost of repairing a throttle control motor circuit short on bank 2 in an Infiniti vehicle can vary depending on the exact cause of the issue and the extent of the damage. On average, the repair costs can range from $200 to $500 for parts and labor. However, it is important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is advisable to check with local auto repair shops for a more accurate estimate.

When is the Code Detected?

Engine Control Module (ECM) detects short in both circuits between ECM and throttle control motor.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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