[SOLVED] P162B Code – Fix Incorrect Remote Vehicle Speed Limiting Signal Counter

The automobile fault code P162B indicates a problem with the Vehicle Communication Interface Module (VCIM). The most common symptom is the Engine Light being ON or the Service Engine Soon Warning Light.

The cause of this fault code can be a faulty VCIM, an open or shorted VCIM harness, a poor electrical connection in the VCIM circuit, or a faulty Engine Control Module (ECM). To fix this issue, you should 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 hour.

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

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When the engine light is on or the service engine soon warning light is illuminated, it could be a sign of the p162b fault code.

  • The symptoms of the automobile fault code p162b include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p162b can be caused by a faulty Vehicle Communication Interface Module, an open or shorted harness, a poor electrical connection in the circuit, or a faulty Engine Control Module (ECM).

  • The fault code p162b can be caused by: a faulty Vehicle Communication Interface Module, an open or shorted Vehicle Communication Interface Module harness, a poor electrical connection in the Vehicle Communication Interface Module circuit, and a faulty Engine Control Module (ECM).

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To fix the automobile fault code p162b, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code p162b, you need to 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.
  • 5.
  • Repairing this fault code is estimated to take approximately 1.0 hour.

The factors influencing the cost of diagnosing and fixing the automobile fault code p162b are the estimated repair time of 1.0 hour and the typical auto repair shop charges of $75 to $150 per hour.

When you receive a remote slow-down request from OnStar, your vehicle’s communication interface module sends a message to the Engine Control Module (ECM) to reduce the vehicle speed. The ECM then adjusts the engine torque to match the requested speed, and you’ll see a message saying “REDUCED ENGINE POWER.

” The P162B fault code is triggered when the VIN (Vehicle Identification Number) in the slow-down request doesn’t match the VIN stored in the ECM. It can also be set if the rolling code counter in the slow-down request doesn’t increment for ten consecutive messages.

This code indicates an issue with the Remote Vehicle Speed Limiting Signal Message Counter I. If you’re experiencing this fault code, it’s important to have it addressed promptly.

A qualified technician will need to diagnose the exact cause and make the necessary repairs to ensure your vehicle operates safely and efficiently.

Don’t delay in getting this issue resolved to avoid any potential risks on the road.

What are the possible causes of the automobile fault code p162b?

If you see the engine light or service engine soon warning light on, the fault code P162B could be the culprit. This code is often caused by a faulty Vehicle Communication Interface Module, an open or shorted harness, a poor electrical connection in the module circuit, or a faulty Engine Control Module (ECM). To fix the issue, start by visually inspecting the wiring harness and connectors. Look for any damaged components and check 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 p162b?

To fix fault code p162b, start by checking the possible causes mentioned above. Then, visually inspect 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 thorough inspection will help identify any issues with the Vehicle Communication Interface Module or the Engine Control Module, allowing you to address the problem effectively.

What should I look for when checking for damaged components and connector’s pins to resolve the fault code p162b?

When troubleshooting the fault code p162b, start by checking for damaged components and connector’s pins. Visually inspect the wiring harness and connectors for any signs of damage. Look for broken, bent, pushed out, or corroded pins in the connectors. These issues can cause a poor electrical connection or an open/short circuit, leading to the engine light being on. By addressing these potential causes, you can resolve the p162b fault code.

p162b 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 Vehicle Communication Interface Module or issues with the wiring harness and connectors.

To fix it, visually inspect the wiring and connectors for any damage, and check for broken or corroded pins.