[SOLVED] P1A86 Code: High Voltage In Coolant Sensor – How To Fix

The automobile fault code P1A86 indicates a problem with the StarterGenerator Control Module (SGCM) in the vehicle. The symptoms of this fault code are not specified.

The cause of this fault code could be a faulty SGCM, an open or shorted SGCM harness, or a poor electrical connection in the SGCM circuit. The importance of repairing this fault code is high as it can affect the performance of the vehicle. The difficulty level of repairing this fault code is moderate, with a repair time of 1.0.

To fix this issue, one should visually inspect the related wiring harness and connectors and check for damaged components.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level10.0 (Out of 10)

Here are some symptoms of the automobile fault code p1a86:

  • The P1A86 fault code is related to the hybrid battery pack.
  • Symptoms of this fault code include: – Illuminated check engine light – Reduced power and acceleration – Difficulty starting the vehicle – Poor fuel economy – Hybrid system not functioning properly – Battery not charging properly – Vehicle may stall or shut off unexpectedly – Regenerative braking system not working – Inability to switch between electric and gas modes.

The P1A86 fault code can be caused by a faulty SGCM, openshorted harness, or poor electrical connection.

  • The automobile fault code P1A86 can be caused by a faulty Starter/Generator Control Module (SGCM).
  • It can also be caused by an open or shorted SGCM harness.
  • Additionally, a poor electrical connection in the SGCM circuit can also trigger this fault code.

To fix the p1a86 fault code, check the possible causes and inspect the wiring harness and connectors for any damage or corrosion.

  • To fix the automobile fault code P1A86, first, check the possible causes listed above.
  • Then, visually inspect the related wiring harness and connectors.
  • Look for damaged components and check for broken, bent, pushed out, or corroded connector’s pins.
  • This fix will take an estimated repair time of 1.0 hour.

The fault code P1A86 indicates a problem with the hybrid battery pack coolant pump.

The estimated repair time for this issue is 1.0 hour.

The cost of fixing this issue can vary depending on the auto repair shop, but it is common for them to charge between $75 and $150 per hour. Other factors that may influence the cost include the location of the repair shop, the severity of the issue, and the type of vehicle.

The P1A86 fault code is related to the hybrid battery pack coolant pump. This code indicates that there is a malfunction in the coolant pump circuit. When this fault code appears, the engine light will turn on or the service engine soon warning light will illuminate.

It is important to address this issue promptly as it can lead to overheating of the battery pack and potentially cause damage to the hybrid system.

A qualified mechanic should be consulted to diagnose and repair the issue.

What are the possible causes of the P1A86 automobile fault code?

The P1A86 fault code in automobiles can be caused by a faulty Starter/Generator Control Module (SGCM), an open or shorted SGCM harness, or poor electrical connection in the SGCM circuit. To fix this issue, one should visually inspect the wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.

How can one visually inspect the related wiring harness and connectors to fix the P1A86 fault code?

To fix the P1A86 fault code, start by checking the possible causes, which include a faulty Starter/Generator Control Module (SGCM), an open or shorted SGCM harness, or a poor electrical connection in the SGCM circuit. To visually inspect the related wiring harness and connectors, look for damaged components and check for broken, bent, pushed out, or corroded connector pins.

What are the consequences of ignoring the P1A86 fault code and not fixing it in a timely manner?

Ignoring the P1A86 fault code, caused by a faulty Starter/Generator Control Module (SGCM) or related wiring issues, can lead to serious consequences such as engine stalling, reduced fuel efficiency, and even complete engine failure. It is important to promptly diagnose and fix the issue by visually inspecting the wiring harness and connectors, and checking for damaged components and corroded pins.

p1a86 error fault code explained

To fix the P1A86 fault code, check for a faulty StarterGenerator Control Module (SGCM), open or shorted SGCM harness, or poor electrical connection. Visually inspect the wiring harness and connectors for damage or corrosion.

Look for broken, bent, pushed out, or corroded connector pins.

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