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P0A16 OBD2: Engine Mount "A" Control Circuit High

P0A16 OBD2: Engine Mount “A” Control Circuit High

The P0A16 OBD-II code refers to an issue with the Engine Mount “A” Control Circuit. This code is related to the vehicle’s powertrain control module (PCM) and indicates that the PCM has detected a problem with the electronic control of the engine mount.

What Does the P0A16 Code Mean?

This code signifies that the engine mount, which is responsible for securing the engine to the vehicle’s body, has an electrical issue. It typically results from an incorrect signal being received by the PCM from the engine mount.

What Causes the P0A16 Code?

The P0A16 code can be triggered by several factors, including:

  • Damaged engine mount
  • Powertrain Control Module (PCM) failure
  • Wiring issues, such as shorts or disconnections

What Are the Symptoms of the P0A16 Code?

When the P0A16 code is present, drivers may experience the following symptoms:

  • Abnormal vibration while driving
  • Transmission issues, such as banging into gear when shifting from park to reverse or drive

How Serious Is the P0A16 Code?

The P0A16 code is categorized as moderate severity. While it may not pose an immediate threat to the vehicle’s safety or functionality, it is important to address it promptly to prevent further damage and ensure optimal vehicle performance.

How to Diagnose the P0A16 Code

To diagnose the P0A16 code, a mechanic will typically follow these steps:

  • Use an OBD-II scanner to confirm the presence of the P0A16 code.
  • Inspect the engine mount for any visible signs of damage or wear.
  • Check the wiring and connectors for any faults or disconnections.
  • Test the PCM to ensure it is functioning correctly.

Common Repairs for the P0A16 Code

Repairs for the P0A16 code may include:

  • Replacing a damaged engine mount
  • Repairing or replacing faulty wiring or connectors
  • Reprogramming or replacing the PCM

How Much Does It Cost to Fix the P0A16 Code?

The cost to fix the P0A16 code can vary widely based on the underlying cause. On average, repairs can range from $100 to $1,000, depending on whether it involves simple wiring repairs or a PCM replacement.

Can I Fix the P0A16 Code Myself?

While some aspects of diagnosing and repairing the P0A16 code may be within the reach of a skilled DIY mechanic, it is advisable to consult with a professional. Given the involvement of the PCM and potential electrical issues, having the right tools and expertise can help ensure the problem is accurately diagnosed and repaired.

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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