[SOLVED] P1A84 Code: High Voltage Coolant Sensor – Fix Your Starter/Generator

The automobile fault code P1A84 indicates a problem with the StarterGenerator Control Module (SGCM) in the vehicle. The symptoms of this fault code are not specified. The cause of the issue 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 issue lies in the fact that the SGCM is responsible for starting and generating power in the vehicle. The difficulty of the repair is moderate, with a repair time of 1.0. To fix the issue, one should visually inspect the related wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connector’s pins.

It is essential to interpret the fault code correctly to identify the root cause of the problem.

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 p1a84:

  • The P1A84 fault code in automobiles is related to the hybrid battery pack.
  • Symptoms of this fault code include reduced power and acceleration, decreased fuel efficiency, difficulty starting the engine, and the illumination of the check engine light.
  • Additionally, the vehicle may experience a loss of power while driving, and the battery may not charge properly.
  • It is important to address this issue promptly to avoid further damage to the vehicle’s hybrid system.

The P1A84 fault code in automobiles can be caused by various factors, including a faulty SGCM, open or shorted SGCM harness, and poor electrical connection in the SGCM circuit.

  • The automobile fault code P1A84 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.

Below are the possible fixes for the automobile fault code p1a84, including inspecting wiring harness and connectors for damage or corrosion.

  • To fix the automobile fault code P1A84, first, check the possible causes listed above.
  • Then, visually inspect the related wiring harness and connectors.
  • Look for any 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 factors that influence the cost of diagnosing and fixing the automobile fault code P1A84 are: – The estimated repair time is 1.0 hour.

– Auto repair shops usually charge between $75 and $150 per hour. – The cost may vary depending on the location and reputation of the repair shop.

– The cost may also depend on the severity of the issue and the parts that need to be replaced.

– It is important to get a detailed estimate from the repair shop before proceeding with the repairs.

The P1A84 fault code is related to the hybrid battery pack cooling system.

It indicates that there is a malfunction in the cooling system, which can cause the battery to overheat and potentially cause damage to the vehicle. When this fault code is detected, the engine light will turn on or the service engine soon warning light will appear. It is important to address this issue promptly to prevent further damage to the vehicle and ensure the safety of the driver and passengers.

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

What are the possible causes of the P1A84 automobile fault code?

The P1A84 fault code in automobiles can be caused by a faulty Starter/Generator Control Module (SGCM), an open or shorted SGCM harness, or a poor electrical connection in the SGCM circuit. To fix this issue, one should visually inspect the related 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 P1A84 fault code?

To fix the P1A84 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 any damaged components and check for broken, bent, pushed out, or corroded connector pins. This will help identify the issue and allow for proper repairs to be made.

What are the consequences of ignoring the P1A84 fault code and not fixing it in a timely manner?

Ignoring the P1A84 fault code, caused by a faulty Starter/Generator Control Module (SGCM) or poor electrical connection, can lead to serious consequences such as engine stalling, reduced fuel efficiency, and even complete engine failure. It is important to visually inspect the wiring harness and connectors and check for damaged components to avoid further damage.

p1a84 error fault code explained

To fix P1A84, check for a faulty StarterGenerator Control Module (SGCM), open or shorted SGCM harness, or poor electrical connection.

Visually inspect related wiring harness and connectors for damage or corrosion.

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

Scroll to Top