P0908 - OBD Trouble Code

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The trouble code P0908 can be elucidated as Gate Select Position Circuit Intermittent. This trouble code is generic, which would mean that it can apply to all the vehicles which are equipped with the OBD-II or the vehicles which are made since 1996 up to the present. The specifications on the definition, the troubleshooting steps as well as repairs can always vary from one vehicle make to another. This can happen because of a lot of reasons and the mechanic should diagnose the specific cause for this code.

Want to learn something more about the P0908 fault code? The gate select position actuator is monitored by the transmission control module. The TCM would set this trouble code when the gate select position actuator would not be as per the specifications set by the manufacturer.

What causes this problem with the Gate Select Position Circuit Intermittent?

• Quirks in the gate select position actuator
• There can be opened or shorted gate select position actuator harness
• Gate select position actuator circuit might have bad electrical connection

1. Body Control Module Component - Defective car Body Control Module Component can be a major reason why P0908 code depicts. So make sure to replace it online so that you don’t have to face any further issues.
2. Powertrain Control Module - Everything is okay with the Body Control Module Component and still OBD code P0908 triggering? Then there must be some defects in Powertrain Control Module. Replace them as soon as possible.
3. Auto Transmission Shift Solenoid - P0908 code flashing? Get your Auto Transmission Shift Solenoid inspected from a mechanic.
4. Engine Control Module - If everything is alright with PCM, then there is surely some defect in Engine Control Module. Get it replaced before the situation gets worse.
5. Auto Transmission Control Module - P0908 code can display due to some issues in the Auto Transmission Control Module. So it is very important to replace the Auto Transmission Control Module with us at equitable prices.
6. Electronic Control Unit - Do you remember when was the last time you got your car Electronic Control Unit checked up? A dirty Electronic Control Unit can cause a lot of issues like displaying P0908 code.

You might be thinking that how would you diagnose these problems? We at Parts Avatar Canada would help you diagnose the major symptoms easily.

Common Symptoms

• Check engine light can start flashing up

The repairs which you will have to do to correct this fault code are simply straightforward; you can surely pinpoint the necessary repairs on the basis of your diagnosis. Have a look at some common fixes:

• Repair or replace the quirky shift lever position sensor
• Rehabilitate the defaults in the transmission control module
• The malfunctioning fuel pump should be repaired or replaced as per the need
• You must fix the defective position actuator
• Make sure to mend the faulty actuator circuit
• It is essential to restore the flawed fuel injector
• Carefully adjust the faults in the PCM
• Correct the bad electrical connection

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Here are some steps which you should follow in order to diagnose this fault code:

Here is the step 1

The trouble codes which are present should be recorded. Make sure to record the freeze frame data as well. This detail can be very helpful while diagnosing the intermittent errors.

Here is the step 2

The reason why this trouble code appears is due to bad alignment of the constituents, failure in the adjustment of the switch, and a lot of free play in mechanical linkages. That is the reason why it is advisable to inspect the condition of the entire gear selector mechanism for evidence of excessive wear/free play, as well as the tightness of all retaining bolts/screws. All the faults which are found should be properly corrected and you can always restore the quirky parts as per the requirement. Then the code should be cleared up. Then run the vehicle in the normal manner to check if the code is returning back or not.

Here is the step 3

If there is an existence of the code but the gear selector mechanism is in ideal state, then the wiring diagram should be referred to decide the function, colour-coding, and routing of all related wiring. A thorough visual inspection of the transmission gate selector position switch and all associated wiring should be performed. Carefully search for evidence of mechanical damage to the switch, as well as for signs of defective shorted, disconnected, or corroded wiring and connectors. The repairs should be done and the wiring should be replaced as per the need. After that you should clear the code and then run the automobile normally to check if the code returns.

Here is the step 4

If the wiring is free of visible defaults or defects, then you should refer to the manual for details on the right procedure to follow to execute resistance, ground integrity, and continuity tests on all applicable circuits.

Common Mistakes When Diagnosing The P0908 Code

• Non performance of the shift lever assembly
• Failure in the transmission control module
• Issues related to wiring