[SOLVED] P1A5E Code: Low Voltage Circuit Fix For Battery Energy Control Module

If you see the engine light on or the service engine soon warning light, it could be due to the P1A5E fault code. This code indicates a problem with the Hybrid Powertrain Control Module 2, which could be faulty or have a poor electrical connection.

The repair for this issue involves visually inspecting the wiring harness and connectors for any damage or corrosion. The importance of fixing this issue lies in the fact that it could affect the performance of your vehicle.

The difficulty level of this repair is moderate, and it could take around 1.0 hour to fix.

To interpret the fault code, you need to use an OBD-II scanner.

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

If you notice the Engine Light ON or Service Engine Soon Warning Light, it could be a sign of p1a5e fault code. Here are the symptoms to look out for:

  • The P1A5E fault code in automobiles can cause several symptoms, including the engine light turning on or the service engine soon warning light appearing.
  • Other symptoms may include reduced engine power, decreased fuel efficiency, and difficulty starting the engine.
  • Additionally, the vehicle may experience rough idling or stalling, and there may be a noticeable decrease in acceleration.
  • It is important to address these symptoms promptly to prevent further damage to the vehicle and ensure safe driving conditions.

The P1A5E fault code can be caused by a faulty control module, open or shorted harness, or poor electrical connection.

  • The automobile fault code P1A5E can be caused by a faulty Hybrid Powertrain Control Module 2.
  • It can also be caused by an open or shorted Hybrid Powertrain Control Module 2 harness.
  • Additionally, a poor electrical connection in the Hybrid Powertrain Control Module 2 circuit can also trigger this fault code.

To fix the p1a5e fault code, check the possible causes and inspect the wiring harness and connectors for any damage or corrosion.

  • To fix the automobile fault code p1a5e, 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 automobile fault code P1A5E has an estimated repair time of 1.0 hour.

The cost of fixing this fault code is influenced by the repair time. Most auto repair shops charge between $75 and $150 per hour for their services. Therefore, the fixing cost of P1A5E will be between $75 and $150, depending on the repair time required.

The P1A5E code is related to the Battery Energy Control Module (BECM) in a vehicle.

It indicates that there is a low voltage issue in the ignition onstart switch circuit of the BECM.

The Body Control Module (BCM) controls the ignition run relay through the control circuit by applying voltage to the circuit. The ignition circuit is energized when the vehicle power mode is Vehicle ON or Vehicle in Service Mode. The hybrid powertrain control module 2 sends the vehicle power mode status in a serial data message to various modules including the BECM.

What are the possible causes of the P1A5E fault code?

If you’re experiencing the P1A5E fault code, you may notice that your engine light is on. This code is typically caused by a faulty Hybrid Powertrain Control Module 2, an open or shorted Hybrid Powertrain Control Module 2 harness, or a poor electrical connection in the Hybrid Powertrain Control Module 2 circuit. To fix the issue, it’s important to 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 I visually inspect the wiring harness and connectors related to the Hybrid Powertrain Control Module 2?

If you’re experiencing an Engine Light ON or Service Engine Soon Warning Light, it could be due to a faulty Hybrid Powertrain Control Module 2. To fix this issue, you 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. This will help you identify if the Hybrid Powertrain Control Module 2 harness is open or shorted, or if there is a poor electrical connection in the circuit.

What should I do if I find damaged components or broken, bent, pushed out, or corroded connector’s pins during the inspection for the P1A5E fault code?

If you find damaged components or broken, bent, pushed out, or corroded connector’s pins during the inspection for the P1A5E fault code, it is important to address them immediately. These issues can cause poor electrical connections and lead to the engine light being on. To fix the problem, visually inspect the related wiring harness and connectors, and replace any damaged components or repair any broken, bent, pushed out, or corroded connector’s pins.

p1a5e error fault code explained

If your engine light is on, it could be due to a faulty Hybrid Powertrain Control Module 2 or an openshorted harness.

To fix it, visually inspect the wiring harness and connectors for damage or corrosion. Check for broken, bent, or pushed out pins.

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