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P06AD OBD2: PCM/ECM/TCM Internal Temperature Sensor "B" Circuit Low

P06AD OBD2: PCM/ECM/TCM Internal Temperature Sensor “B” Circuit Low

The P06AD OBD-II code indicates an issue with the PCM/ECM/TCM Internal Temperature Sensor “B” Circuit, specifically reporting a low signal. This code is crucial as it relates to the functionality of the vehicle’s transmission system.

What Does the P06AD Code Mean?

The P06AD code is triggered when the Transmission Control Module (TCM) detects that the internal temperature sensor is reporting a value that is outside of its expected range. This sensor monitors the temperature of the transmission module during startup.

What Causes the P06AD Code?

Several factors can lead to the activation of the P06AD code, including:

  • Internal transmission failure
  • Transmission Control Module (TCM) failure
  • Low transmission fluid level

What Are the Symptoms of the P06AD Code?

Symptoms associated with the P06AD code may include:

  • Transmission slipping or erratic shifting
  • Check Engine Light illuminated
  • Possible overheating of the transmission

How Serious Is the P06AD Code?

The P06AD code is classified as urgent. Ignoring this code can lead to significant damage to the transmission system, which may compromise vehicle safety and functionality.

How to Diagnose the P06AD Code

To diagnose the P06AD code, a mechanic should:

  • Use an OBD-II scanner to confirm the presence of the code.
  • Inspect the transmission fluid level and condition.
  • Evaluate the Transmission Control Module and its internal sensors.
  • Check for any related codes that may provide additional context.

Common Repairs for the P06AD Code

Repairs that may be necessary when addressing the P06AD code include:

  • Replacing the Transmission Control Module (TCM)
  • Fixing internal transmission issues
  • Refilling or replacing transmission fluid

How Much Does It Cost to Fix the P06AD Code?

The cost to repair the P06AD code can vary widely based on the underlying issue. Expect costs to range from $100 for a fluid change to over $1,500 for TCM replacement.

Can I Fix the P06AD Code Myself?

While some basic checks, such as inspecting fluid levels, can be done by car owners, the complexity of diagnosing and repairing transmission control issues typically requires professional expertise. It is advisable to consult with a mechanic to avoid further complications.

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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