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P0751 Pontiac Code - 1-2 Shift Solenoid Valve Performance - No First or Fourth Gear

- Code Popularity: 13,465 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P0751 Pontiac?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Low transmission fluid level
  • Dirty transmission fluid
  • Faulty 1-2 Shift Solenoid valve
  • 1-2 Shift Solenoid valve harness or connectors
  • 1-2 Shift Solenoid valve circuit is open or shorted
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How to Fix the DTC P0751 Pontiac?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

When the a transmission solenoid is stuck off, in most cases the problem is not the electrical part of the solenoid; the problem is foreign material obstructing the mechanical function of the solenoid or the flow of the fluid through the transmission valve body. If the transmission fluid is very dirty, it is recommend changing the transmission fluid and if possible removing the transmission pan for further diagnosis. Excessive debris or metal particles on the transmission pan could be an indication that there is a transmission mechanical failure and that the transmission will need to be rebuilt or replaced.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0751 Pontiac code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

When is the Code Detected?

The P0751 code is detected when the gear required by the ECM does not match the actual gear when vehicle is driven.

What are Code Possible Symptoms?

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

Code P0751 Pontiac Description

The 1-2 Shift Solenoid (SS) valve controls the fluid flow acting on the 1-2 and 3-4 shift valves. The 1-2 SS valve is a normally-open exhaust valve that is used with the 2-3 SS valve, in order to allow four different shifting combinations.

OBDII Code P0751 Pontiac - 1-2 Shift Solenoid Valve Performance - No First or Fourth Gear - AutoCodes.com
P0751 Pontiac Code - 1-2 Shift Solenoid Valve Performance - No First or Fourth Gear

Need More Information on the Code?

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Code P0751 Pontiac comments

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