[SOLVED] P0955 Code: Auto Shift Manual Mode Circuit – Diagnosis And Fix

The automobile fault code P0955 indicates a problem with the Auto Shift Manual Switch. When this fault occurs, the Engine Light or Service Engine Soon Warning Light will turn on. The cause of this issue could be a faulty switch, an open or shorted harness, or a poor electrical connection in the switch circuit.

To fix this problem, you should visually inspect the wiring harness and connectors for any damage. Look for broken, bent, pushed out, or corroded pins in the connectors.

This repair is of moderate importance and difficulty, with an estimated repair time of 1.0.

To interpret the fault code, check the “Possible Causes” listed above.

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 p0955 fault code.

  • The symptoms of the automobile fault code P0955 include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p0955 can be caused by a faulty Auto Shift Manual Switch, an open or shorted harness, or a poor electrical connection in the circuit.

  • The fault code P0955 can be caused by the following: a faulty Auto Shift Manual Switch, an open or shorted harness for the Auto Shift Manual Switch, and a poor electrical connection in the Auto Shift Manual Switch circuit.

To fix the automobile fault code p0955, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code p0955, start by checking the possible causes mentioned above.
  • Then, visually inspect the wiring harness and connectors for any damage.
  • Look for broken, bent, pushed out, or corroded pins in the connectors.
  • This fix is estimated to take approximately 1.0 hour.

The factors influencing the diagnosis and fixing cost of the automobile fault code p0955 are the estimated repair time of 1.0 hour and the typical auto repair shop charges of $75 to $150 per hour.

The P0955 fault code refers to the Auto Shift Manual Mode Circuit in the transmission control module (TCM). The TCM is responsible for monitoring the signal from the Auto Shift Manual Switch.

When this signal does not meet the factory specifications, the TCM sets the P0955 code.

This fault code indicates a problem with the circuit that controls the auto shift manual mode.

It could be caused by a faulty switch or a wiring issue.

When this code is triggered, it can affect the performance of the transmission and may result in issues with shifting gears. If you encounter the P0955 fault code, it is important to have it diagnosed and repaired as soon as possible.

Ignoring this code can lead to further damage to the transmission and potentially more expensive repairs down the line. A qualified mechanic will be able to identify the exact cause of the issue and recommend the necessary repairs to resolve the P0955 code.

What are the possible causes for the automobile fault code P0955?

If you see the engine light or service engine soon warning light on, the fault code P0955 could be the culprit. This code is often caused by a faulty auto shift manual switch or issues with the switch’s harness, such as an open or shorted circuit. To fix the problem, start by visually inspecting the wiring harness and connectors. Look for any signs of damage or corrosion, and check for broken, bent, pushed out, or corroded pins on the connectors. Don’t forget to check the “Possible Causes” listed above for further troubleshooting.

How can I visually inspect the wiring harness and connectors to fix the P0955 fault code?

If you’re dealing with the P0955 fault code and your engine light is on, it’s time to take action. The culprit could be a faulty Auto Shift Manual Switch or an issue with the wiring harness and connectors. To fix it, 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 problem. Don’t delay, get to the bottom of it now!

What should I look for when checking for damaged components or corroded connector pins to resolve the P0955 fault code?

When resolving the P0955 fault code, start by visually inspecting the wiring harness and connectors. Look for any damaged components and check for broken, bent, pushed out, or corroded connector pins. These issues can cause a poor electrical connection or an open or shorted circuit in the Auto Shift Manual Switch. By thoroughly checking for these problems, you can effectively address the cause of the fault code and resolve the issue.

p0955 error fault code explained

If your engine light is on and you’re seeing the P0955 fault code, it could be due to a faulty Auto Shift Manual Switch or issues with the wiring harness and connectors.

To fix it, visually inspect the wiring and connectors for any damage or corrosion.

Look out for broken or bent pins as well.

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