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P0924 OBD2: Gear Shift Reverse Actuator Circuit/Open

P0924 OBD2: Gear Shift Reverse Actuator Circuit/Open

The OBD-II code P0924 indicates an issue with the gear shift reverse actuator circuit, signaling that the transmission may not be shifting properly. This code is associated with the vehicle’s transmission control module (TCM), which manages the shifting of gears based on input from various sensors.

What Does the P0924 Code Mean?

The P0924 code specifically refers to a malfunction in the gear shift reverse actuator circuit. When the TCM receives an implausible signal from the shift solenoid, it triggers this diagnostic trouble code, indicating that there may be an electrical or mechanical problem affecting the transmission’s ability to shift into reverse.

What Causes the P0924 Code?

Several factors can lead to the P0924 code being set, including:

  • Failure of the gear shift actuator assembly
  • Malfunction of the Transmission Control Module (TCM)
  • Wiring issues, such as shorts or open circuits in the actuator circuit

What Are the Symptoms of the P0924 Code?

Common symptoms associated with the P0924 code include:

  • Increased fuel consumption
  • Transmission may not shift properly, especially into reverse

How Serious Is the P0924 Code?

The P0924 code is classified as a moderate severity issue. While it may not pose an immediate threat to the vehicle’s safety, it is essential to address the problem promptly to prevent further damage to the transmission system and maintain optimal vehicle performance.

How to Diagnose the P0924 Code

Diagnosing the P0924 code typically involves the following steps:

  1. Use an OBD-II scanner to confirm the presence of the P0924 code.
  2. Inspect the wiring and connectors related to the gear shift actuator for any visible damage.
  3. Test the gear shift actuator assembly for proper operation.
  4. Check the Transmission Control Module (TCM) for any faults.

Common Repairs for the P0924 Code

Repairs for the P0924 code may include:

  • Replacing the gear shift actuator assembly
  • Repairing or replacing wiring or connectors related to the actuator circuit
  • Reprogramming or replacing the Transmission Control Module (TCM)

How Much Does It Cost to Fix the P0924 Code?

The cost to fix the P0924 code can vary significantly based on the specific issue and labor rates in your area. On average, you might expect to pay anywhere from $150 to $1,000, depending on whether it involves simple wiring repairs or a complete actuator or TCM replacement.

Can I Fix the P0924 Code Myself?

If you have experience with automotive repairs and a good understanding of electrical systems, you may be able to diagnose and fix the P0924 code yourself. However, for those without the necessary expertise, it is advisable to seek help from a certified mechanic to ensure the issue is resolved properly.

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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