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P075C OBD2: Shift Solenoid "G" Stuck On

P075C OBD2: Shift Solenoid “G” Stuck On

The P075C OBD-II code indicates an issue with the transmission control system, specifically related to the Shift Solenoid “G” being stuck in the “on” position. This malfunction can lead to significant transmission performance issues.

What Does the P075C Code Mean?

The P075C code is triggered when the Transmission Control Module (TCM) detects that the Shift Solenoid “G” is not performing as expected. This solenoid is responsible for regulating hydraulic pressure in the transmission, which is essential for engaging different gear ratios.

What Causes the P075C Code?

Several factors can lead to the P075C code being set, including:

  • Failure of the Transmission Control Module (TCM)
  • Low transmission fluid levels
  • Failure of the transmission shift solenoid
  • Wiring issues or electrical faults

What Are the Symptoms of the P075C Code?

Drivers may experience a variety of symptoms related to the P075C code, such as:

  • Increased fuel consumption
  • Transmission may not shift properly

How Serious Is the P075C Code?

The P075C code is categorized as urgent. It signifies a critical malfunction that can lead to severe damage to the vehicle’s transmission if not addressed promptly. Ignoring this code may result in further complications and higher repair costs.

How to Diagnose the P075C Code

To accurately diagnose the P075C code, a mechanic should follow these steps:

  1. Use an OBD-II scanner to confirm the presence of the P075C code.
  2. Inspect the transmission fluid level and condition.
  3. Examine the wiring and connectors related to the TCM and shift solenoid.
  4. Test the functionality of the Transmission Control Module.
  5. Check the operation of the shift solenoid.

Common Repairs for the P075C Code

Repairs for the P075C code may include:

  • Replacing the faulty shift solenoid
  • Repairing or replacing damaged wiring
  • Refilling or replacing the transmission fluid
  • Replacing the Transmission Control Module (if necessary)

How Much Does It Cost to Fix the P075C Code?

The cost of repairing the P075C code can vary widely based on the specific issue and labor rates in your area. On average, repairs may range from $150 to $1,000, depending on whether it involves minor fixes like fluid replacement or more extensive repairs like replacing the TCM.

Can I Fix the P075C Code Myself?

Depending on your mechanical skills and tools, you may be able to address minor issues such as checking fluid levels or replacing a shift solenoid yourself. However, for more complex diagnostics and repairs involving the TCM or electrical systems, consulting a professional mechanic is recommended to avoid further damage.

About JC Landry

JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of TheMechanicDoctor.com, only to name a few. He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.

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