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P0952 OBD2: Auto Shift Manual Control Circuit Low

P0952 OBD2: Auto Shift Manual Control Circuit Low

The OBD2 code P0952 refers to a malfunction within the auto shift manual control circuit, indicating a low voltage issue. This can prevent the driver from utilizing the Autostick shifting feature, which allows for manual gear selection while driving.

What Does the P0952 Code Mean?

The P0952 code is triggered when the Powertrain Control Module (PCM) detects a problem with the auto shift manual control circuit. This issue typically arises from a malfunction in the shift switch, wiring problems, or a failure within the PCM itself.

What Causes the P0952 Code?

  • Autostick shift switch failure
  • Powertrain Control Module (PCM) malfunction
  • Wiring issues within the auto shift manual control circuit

What Are the Symptoms of the P0952 Code?

The primary symptom associated with the P0952 code is that the Autostick shifting function will be disabled. Drivers may find that they cannot manually select gears, which can affect driving performance.

How Serious Is the P0952 Code?

The P0952 code is classified as urgent, indicating that immediate action is necessary. Ignoring this code can lead to significant damage to the vehicle’s transmission system or pose risks to driver safety.

How to Diagnose the P0952 Code

  1. Use an OBD-II scanner to confirm the P0952 code and check for any additional codes that may provide more context.
  2. Inspect the Autostick shift switch for any signs of damage or malfunction.
  3. Examine the wiring and connections associated with the auto shift manual control circuit.
  4. Test the Powertrain Control Module (PCM) to determine if it is functioning correctly.

Common Repairs for the P0952 Code

  • Replacing a faulty Autostick shift switch
  • Repairing or replacing damaged wiring
  • Reprogramming or replacing the Powertrain Control Module (PCM)

How Much Does It Cost to Fix the P0952 Code?

The cost to repair the P0952 code can vary widely depending on the underlying issue. Simple wiring repairs might cost around $100 to $200, while replacing the shift switch might range from $150 to $300. If the PCM needs replacement, costs can escalate to $800 or more, including parts and labor.

Can I Fix the P0952 Code Myself?

Fixing the P0952 code yourself is possible if you have a good understanding of automotive electrical systems and access to the necessary tools. However, if you are unsure or uncomfortable with diagnosing electrical issues, it is advisable to seek professional assistance to avoid further complications.

About JC Landry

JC spent 15+ years as a certified Master Mechanic before trading the shop for the keyboard. He's worked across dealerships, owned and operated his own independent garage, and consulted on automotive trade school curricula, reviewing technical textbooks used in vocational programs. He now serves as Editor-in-Chief at eManualOnline.com, where he oversees the platform's technical content. He's one of the few voices in automotive publishing who has actually turned wrenches professionally on the vehicles he covers. He didn't learn automotive repair to write about it. He learned to write after spending over a decade doing it.

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