OBD Codes

P0751

Shift Solenoid "A" Performance or Stuck Off

Severetransmission

Overview

The P0751 diagnostic trouble code signals a shift solenoid "a" performance or stuck off condition detected by the transmission control module. This code relates to the automatic transmission system and may affect shift quality, timing, or overall transmission performance. Prompt attention is important to prevent further transmission damage.

Symptoms

  • Unusual whining or grinding noise from transmission
  • Shuddering or vibration during acceleration
  • Transmission slipping between gears
  • Transmission overheating warning

Common Causes

  • Low or contaminated transmission fluid
  • Faulty shift solenoid or solenoid pack
  • Faulty input or output speed sensor
  • Worn transmission bands or clutch plates

Diagnosis Steps

  1. 1Connect an OBD-II scanner and read all stored trouble codes and freeze frame data
  2. 2Check transmission fluid level and condition; top off or replace if needed
  3. 3Test the transmission speed sensors with a multimeter or scan tool
  4. 4Inspect wiring and connectors for the transmission harness
  5. 5Perform a transmission pressure test if accessible

Estimated Repair Cost

$300$2,500

Cost varies by vehicle, location, and repair shop. Includes parts and labor.

Commonly Affected Vehicles

Nissan RogueFord F-150Honda AccordRam 1500

Related Codes

More Transmission Codes

Frequently Asked Questions

Driving with a transmission code is risky. Continued driving can cause further damage to the transmission, resulting in significantly higher repair costs. Have it inspected as soon as possible.