Engine-Codes - Nissan - P1774 Nissan

P1774 Nissan Code - Low Coast Brake Solenoid Valve Function

- Code Popularity: 57,591 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC P1774 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.
  • Faulty Low Coast Brake Solenoid Valve
  • Low Coast Brake Solenoid Valve harness is open or shorted
  • Low Coast Brake Solenoid Valve circuit poor electrical connection
  • Faulty Transmission Valve Body

Code Tech Notes

There is a Factory Service Bulletin for all 2003–2010 Nissan vehicles with 5-Speed A/T RE5R05A Transmission:
2003–2010 Nissan RE5R05A Transmission Factory Service Bulletin OBDII Code P1774

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How to Fix the DTC P1774 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 P1774 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.

What are Code Possible Symptoms?

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

What Does the P1774 Nissan Code Mean?

Low Coast Brake Solenoid Valve is turned "ON" or "OFF" by the Transmission Control Module (TCM) in response to signals sent from the Park & Neutral Position (PNP) Switch, Vehicle Speed Sensor (VSS), and Accelerator Pedal Position (APP) Sensor (Throttle Position Sensor). Gears will then be shifted to the optimum position. The Diagnostic Trouble Code (DTC) will set when the Low Coast Brake Solenoid Valve does not respond from the TCM signal.

P1774 Nissan Code - Low Coast Brake Solenoid Valve Function

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