[SOLVED] P1671 Code: Fix Quad Driver Module ‘c’ Fault With These Steps!

The automobile fault code P1671 indicates a problem with the Quad Driver Module. 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 Quad Driver Module, an open or shorted harness, or a poor electrical connection in the Quad Driver Module circuit. To fix this issue, it is recommended to visually inspect the wiring harness and connectors, checking for any damage or corrosion. Additionally, look for any 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 fault code 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 p1671 fault code.

  • The symptoms of the automobile fault code P1671 include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code P1671 can be caused by a faulty Quad Driver Module, an open or shorted Quad Driver Module harness, or a poor electrical connection in the Quad Driver Module circuit.

  • The fault code P1671 can be caused by the following: a faulty Quad Driver Module, an open or shorted Quad Driver Module harness, and a poor electrical connection in the Quad Driver Module circuit.

To fix the automobile fault code p1671, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code P1671, follow these steps: 1.
  • Check the possible causes mentioned above.
  • 2.
  • Visually inspect the wiring harness and connectors related to the fault code.
  • 3.
  • Look for any damaged components.
  • 4.
  • Check for broken, bent, pushed out, or corroded pins in the connectors.
  • The estimated repair time for this fix is 1.0 hour.

The factors influencing the cost of diagnosing and fixing the automobile fault code p1671 are the estimated repair time of 1.0 hour and the typical auto repair shop charges of $75 to $150 per hour.

The P1671 fault code indicates a problem with the Quad Driver Module ‘C’. This fault code is detected by the Powertrain Control Module (PCM) when it detects an open, short-to-ground, or short-to-voltage on the QDM ‘C’ fault line.

This fault condition must be met for a duration of 20 seconds.

The QDM ‘C’ fault line is connected to the Air pump relay or Air pump solenoid.

When this fault code is triggered, it means there is an issue with the Quad Driver Module ‘C’ circuit.

This can result in various symptoms such as the air pump not functioning properly or not turning on at all. It is important to address this issue promptly as it can affect the performance and emissions of the vehicle.

A qualified technician should diagnose and repair the problem to ensure the vehicle operates correctly and meets emission standards.

What are the possible causes of the automobile fault code P1671?

If you see the engine light or service engine soon warning light on, it could be due to the fault code P1671. This code is often caused by a faulty Quad Driver Module or issues with the Quad Driver Module harness, such as an open or short circuit. To fix this problem, visually inspect the wiring harness and connectors for any damage. Check for broken, bent, pushed out, or corroded pins on the connectors. It’s also a good idea to refer to the possible causes listed above for further troubleshooting.

How can I visually inspect the wiring harness and connectors to fix the P1671 fault code?

If you’re dealing with the P1671 fault code and your engine light is on, it’s time to take action. The cause could be a faulty Quad Driver Module or issues with the module’s harness and circuit connection. To fix this, start by visually inspecting the wiring harness and connectors. Look for any signs of damage, such as broken or bent pins, corrosion, or components that are out of place. This step is crucial in identifying and resolving the issue.

What should I look for when checking for damaged components and connector pins to resolve the P1671 fault code?

When resolving the P1671 fault code, start by checking for damaged components and connector pins. This can be done by visually inspecting the related wiring harness and connectors. Look for any signs of damage such as broken, bent, pushed out, or corroded connector pins. By doing this, you can identify any issues that may be causing the fault code and take the necessary steps to fix them.

p1671 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 Quad Driver Module or issues with the module’s harness and electrical connection. To fix this, visually inspect the wiring harness and connectors, checking for any damage or corrosion. Look out for broken or bent pins on the connectors.

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