[SOLVED] P0956 Code: Fix Auto Shift Manual Mode Circuit Range/Performance Issue!

The automobile fault code P0956 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 p0956 fault code.

  • The symptoms of the automobile fault code P0956 include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code p0956 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 P0956 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 p0956, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code p0956, 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 should take approximately 1.0 hour.

The factors influencing the diagnosis and fixing cost of the automobile fault code p0956 are the estimated repair time of 1.0 hour and the typical auto repair shop charges of $75 to $150 per hour.

The P0956 fault code refers to the Auto Shift Manual Mode Circuit RangePerformance.

This code is set by the Transmission Control Module (TCM) when it detects that the signal from the Auto Shift Manual Switch is not within the factory specifications.

The TCM is responsible for monitoring the Auto Shift Manual signal, which is generated by the Auto Shift Manual Switch.

When this signal deviates from the expected range or performance, the TCM triggers the P0956 fault code. It is important to address this fault code promptly, as it can affect the proper functioning of the auto shift manual mode. A qualified technician should diagnose the issue and determine the necessary repairs or adjustments to bring the signal back to factory specifications.

What are the possible causes for the automobile fault code P0956?

If you see the engine light or service engine soon warning light on, the fault code P0956 could be the culprit. This code is often caused by a faulty auto shift manual switch, an open or shorted harness, or a poor electrical connection in the auto shift manual switch circuit. 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 connector pins. 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 issue?

To fix the issue of the Engine Light being ON or the Service Engine Soon Warning Light, start by checking the possible causes, such as a faulty Auto Shift Manual Switch or an open or shorted harness. Then, visually inspect the wiring harness and connectors for any signs of damage. Look out for broken, bent, pushed out, or corroded pins on the connectors. This thorough inspection will help identify and resolve the issue effectively.

What should I look for when checking for damaged components or corroded connector pins?

When troubleshooting an engine light that is on, it is important to check for damaged components and corroded connector pins. These issues can be the cause of a faulty auto shift manual switch or poor electrical connection in the auto shift manual switch circuit. To fix the problem, visually inspect the wiring harness and connectors, paying close attention to any signs of damage. Look for broken, bent, pushed out, or corroded pins on the connectors.

p0956 error fault code explained

If you’re seeing the Engine Light ON or the Service Engine Soon Warning Light, the cause could be a faulty Auto Shift Manual Switch or issues with the switch’s harness or electrical connection. To fix this, visually inspect the wiring harness and connectors, checking for any damage or corrosion.

Look out for broken, bent, pushed out, or corroded connector pins.

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