Engine-Codes - Nissan - P1290 Nissan

P1290 Nissan Code - Throttle Control Motor Relay Circuit Open Bank 2

- Code Popularity: 9,471 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
Table of contents
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What are the Possible Causes of the DTC P1290 Nissan?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Fualty Throttle Control Motor relay
  • Throttle Control Motor relay harness is open or shorted
  • Throttle Control Motor relay circuit poor electrical connection
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How to Fix the DTC P1290 Nissan?

Check 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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P1290 Nissan code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

When is the Code Detected?

Engine Control Module (ECM) detects a voltage of power source for throttle control motor is excessively low.

What are Code Possible Symptoms?

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

What Does the P1290 Nissan Code Mean?

Power supply for the throttle control motor is provided to the ECM via throttle control motor relay. The throttle control motor relay is ON/OFF controlled by the ECM. When the ignition switch is turned ON, the ECM sends an ON signal to throttle control motor relay and battery voltage is provided to the ECM. When the ignition switch is turned OFF, the ECM sends an OFF signal to throttle control motor relay and battery voltage is not provided to the ECM.
P1290 Nissan Code - Throttle Control Motor Relay Circuit Open Bank 2

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