[SOLVED] P103E Code: Fixing Incorrect Auxiliary Coolant Pump Control Signal

The automobile fault code P103E indicates a problem with the Auxiliary Coolant Pump Control Module.

This can be identified by the Engine Light or Service Engine Soon Warning Light being illuminated. The cause of this fault code could be a faulty control module, an open or shorted harness, or a poor electrical connection. To fix this issue, it is recommended to visually inspect the wiring harness and connectors for any damage.

Additionally, check for broken, bent, pushed out, or corroded pins in the connectors. The repair time for this issue is estimated to be around 1.0.

It is important to address this problem promptly to prevent further damage to the vehicle.

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

When the engine light is on or the service engine soon warning light is illuminated, it could be a sign of the p103e fault code.

  • The symptoms of the automobile fault code P103E include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p103e can be caused by a faulty Auxiliary Coolant Pump Control Module, an open or shorted harness, or a poor electrical connection in the module circuit.

  • The fault code P103E can be caused by the following: 1.
  • Faulty Auxiliary Coolant Pump Control Module.
  • 2.
  • Open or shorted harness of the Auxiliary Coolant Pump Control Module.
  • 3.
  • Poor electrical connection in the circuit of the Auxiliary Coolant Pump Control Module.

To fix the automobile fault code p103e, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code p103e, first, check the possible causes mentioned above.
  • Then, visually inspect the wiring harness and connectors related to the issue.
  • Look for any damaged components and check for broken, bent, pushed out, or corroded connector pins.
  • The estimated repair time for this fix is 1.0 hour.

The automobile fault code P103E can be diagnosed and fixed within an estimated repair time of 1.0 hour.

The cost of the repair will depend on the hourly rate charged by the auto repair shop, which typically ranges between $75 and $150 per hour.

The P103E fault code is related to the communication between control modules in a vehicle. These modules exchange information and commands through the serial data circuits. Each module keeps track of errors in the communication by maintaining a transmit error counter and a receive error counter.

The P103E code specifically indicates that there is an issue with the Auxiliary Coolant Pump Control Signal Message Counter. This means that the counter value for the control signal messages related to the auxiliary coolant pump is incorrect.

When this fault code is detected, it means that there is a problem with the communication between the control modules regarding the auxiliary coolant pump.

This can lead to issues with the cooling system of the vehicle and may require further diagnosis and repair.

What are the possible causes of the automobile fault code p103e?

If you see the engine light or service engine soon warning light on, the fault code P103E could be the culprit. This code is often caused by a faulty auxiliary coolant pump control module or issues with the module’s harness, such as an open or shorted circuit or poor electrical connection. To fix the problem, visually inspect the wiring harness and connectors, checking for any damage or corrosion. Also, look out for broken, bent, pushed out, or corroded pins on the connectors.

How can I visually inspect the wiring harness and connectors to fix the fault code p103e?

To fix fault code P103E, start by visually inspecting the wiring harness and connectors. Look for any damaged components and check if there are any broken, bent, pushed out, or corroded pins in the connectors. This can help identify if the issue lies with a faulty auxiliary coolant pump control module or if there is an open or shorted circuit or poor electrical connection. Take note of any findings to further troubleshoot and resolve the problem.

What should I look for when checking for damaged components and connector’s pins to resolve the fault code p103e?

When troubleshooting the fault code p103e, start by visually inspecting the wiring harness and connectors. Look for any signs of damage, such as broken, bent, pushed out, or corroded connector pins. These issues can cause a poor electrical connection or an open or short circuit in the Auxiliary Coolant Pump Control Module. By checking for damaged components and inspecting the connector’s pins, you can identify and resolve the cause of the fault code.

p103e error fault code explained

If you see the Engine Light ON or the Service Engine Soon Warning Light, it could be due to a faulty Auxiliary Coolant Pump Control Module. To fix it, visually inspect the wiring harness and connectors for any damage. Also, check for broken, bent, pushed out, or corroded connector pins.

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