P0757 GMC - 2-3 Shift Solenoid Valve Performance - No Third or Fourth Gear

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

P0757 GMC Possible Causes

  • Low transmission fluid level
  • Dirty transmission fluid
  • Faulty 2-3 Shift Solenoid Valve
  • 2-3 Shift Solenoid Valve harness or connectors
  • 2-3 Shift Solenoid Valve circuit is open or shorted

How do I fix code P0757 GMC?

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's pins.
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Cost of diagnosing the P0757 GMC code

Labor: 1.0

The cost of diagnosing the P0757 GMC code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Transmission will not shift gears

P0757 GMC Description

The 2-3 Shift Solenoid (SS) valve controls the fluid flow acting on the 2-3 shift valves. The 2-3 SS valve is a normally-open exhaust valve that is used with the 1-2 SS valve in order to allow four different shifting combinations. When the Powertrain Control Module (PCM) detects a 1-2-2-1 shift pattern, then the Diagnostic Trouble Code (DTC) P0757 sets.
OBDII Code P0757 Gmc - 2-3 Shift Solenoid Valve Performance - No Third or Fourth Gear - AutoCodes.com

More Information

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Comments

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