P09A8
Gate Select Position Circuit C Low
P09A8 is an OBD-II diagnostic trouble code meaning: Gate Select Position Circuit C Low. Common causes: open or short circuit in the sensor circuit, selector lever position sensor malfunction. Estimated repair cost: $17–56.
Symptoms
- Incorrect gear shifting
- The gearbox goes into emergency mode
- Check Engine light comes on
- Reduced vehicle dynamics
- Difficulty starting the engine
Causes
- Open or short circuit in the sensor circuit
- Selector lever position sensor malfunction
- Problems with the transmission control unit
- Oxidation of contacts in connectors
- Mechanical damage to wiring
How to Fix
- Check the integrity of wiring and connectors
- Check the resistance of the selector position sensor
- Check the signal from the sensor to the control unit
- Replace the selector lever position sensor if necessary
- Update transmission control unit software
Related codes
Error P09A8 by Vehicle Brand
FAQ
What does the P09A8 code mean?
P09A8 is an OBD-II diagnostic trouble code that indicates: Gate Select Position Circuit C Low
What causes a P09A8 error code?
The most common causes of P09A8 include: Open or short circuit in the sensor circuit; Selector lever position sensor malfunction; Problems with the transmission control unit; Oxidation of contacts in connectors.
How do I fix a P09A8 diagnostic trouble code?
To fix P09A8: Check the integrity of wiring and connectors. Check the resistance of the selector position sensor. Check the signal from the sensor to the control unit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P09A8?
Limited driving only, diagnose soon
How much does it cost to fix P09A8?
The estimated repair cost for P09A8 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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