[SOLVED] P0B38 Code: Fixing Motor Electronics Coolant Pump ‘b’ Control Circuit/Open

The automobile fault code P0B38 indicates a problem with the Motor Electronics Coolant Pump ‘B’. This can be identified by the Engine Light being ON or the Service Engine Soon Warning Light. The cause of this fault code could be a faulty pump, an open or shorted harness, or a poor electrical connection in the circuit.

To fix this issue, it is recommended to visually inspect the wiring harness and connectors for any damage.

Look out for broken, bent, pushed out, or corroded pins in the connectors.

The repair time for this fault code is estimated to be 1.0. To interpret the fault code, check the “Possible Causes” mentioned above and follow the recommended steps for inspection and repair.

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 p0b38 fault code.

  • The symptoms of the automobile fault code p0b38 include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The fault code p0b38 can be caused by a faulty Motor Electronics Coolant Pump ‘B’, an open or shorted harness, or a poor electrical connection in the circuit.

  • The fault code P0B38 can be caused by: a faulty Motor Electronics Coolant Pump ‘B’, an open or shorted harness for the Motor Electronics Coolant Pump ‘B’, or a poor electrical connection in the Motor Electronics Coolant Pump ‘B’ circuit.

To fix the automobile fault code p0b38, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code p0b38, start by checking the possible causes mentioned above.
  • Then, visually inspect the wiring harness and connectors related to the issue.
  • Look for any damaged components and check if there are any broken, bent, pushed out, or corroded pins in the connectors.
  • This fix is estimated to take approximately 1.0 hour.

The automobile fault code P0B38 has an estimated repair time of 1.0 hour. Auto repair shops typically charge between $75 and $150 per hour for this type of repair.

The P0B38 fault code refers to a problem with the Motor Electronics Coolant Pump ‘B’ control circuit. The Engine Control Module (ECM) is responsible for monitoring this pump, and if it detects that the pump is not operating within the factory specifications, it will trigger the P0B38 code. This code indicates that there is an issue with the control circuit of the Motor Electronics Coolant Pump ‘B’.

It is important to address this problem promptly to ensure the proper functioning of the coolant pump and prevent any potential damage to the engine.

What are the possible causes for the automobile fault code p0b38?

If you see the engine light or service engine soon warning light on, it could be due to the fault code P0B38. This code is typically caused by a faulty Motor Electronics Coolant Pump ‘B’, an open or shorted harness for the pump, or a poor electrical connection in the pump circuit. To fix this issue, you should visually inspect the wiring harness and connectors, checking for any damage or corrosion. Additionally, look out for broken, bent, pushed out, or corroded pins in the connectors.

How can I visually inspect the wiring harness and connectors to fix the fault code p0b38?

If you’re dealing with the fault code p0b38 and your engine light is on, it’s time to take a closer look at the wiring harness and connectors. The cause could be a faulty Motor Electronics Coolant Pump ‘B’, an open or shorted harness, or a poor electrical connection in the circuit. To fix this issue, visually inspect the wiring harness and connectors for any signs of damage. Check for broken, bent, pushed out, or corroded pins on the connectors. Don’t forget to consider the possible causes mentioned earlier.

What should I look for when checking for damaged components and connector’s pins to resolve the fault code p0b38?

To resolve the fault code p0b38, start by visually inspecting the wiring harness and connectors. Look for any damaged components and check for broken, bent, pushed out, or corroded connector’s pins. These issues can cause a faulty Motor Electronics Coolant Pump ‘B’ or a poor electrical connection in the circuit. By checking and addressing these possible causes, you can fix the problem and turn off the Engine Light or Service Engine Soon Warning Light.

p0b38 error fault code explained

If your engine light is on and you’re getting the P0B38 fault code, it could be due to a faulty Motor Electronics Coolant Pump ‘B’, an open or shorted harness, or a poor electrical connection in the circuit. To fix it, visually inspect the wiring harness and connectors, check for damaged components, and look for any broken, bent, pushed out, or corroded pins on the connectors.

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