Subaru OBD-II 1996 & Newer models DTC P1121 – Neutral Position Switch Circuit High Input [MT Vehicles]
DTC P1121 meaning on Subaru OBD-II 1996 & Newer models
The DTC P1121 on Subaru OBD-II 1996 & Newer models indicates a Neutral Position Switch Circuit High Input error for manual transmission vehicles. This error code is related to the neutral safety switch, which is responsible for ensuring the vehicle can only be started in neutral or park.
Subaru OBD-II 1996 & Newer models DTC P1121 symptoms
- Difficulty starting the vehicle
- Inability to start the vehicle
- Check Engine Light (CEL) illuminated on the dashboard
Subaru OBD-II 1996 & Newer models DTC P1121 causes
- Faulty neutral position switch
- Wiring issues in the neutral position switch circuit
- Corrosion or poor connections in the circuit
Subaru OBD-II 1996 & Newer models DTC P1121 seriousness
The DTC P1121 error code should be addressed promptly as it can lead to starting issues and potentially leave the vehicle stranded. Ignoring this issue may result in further damage to the vehicle’s starting system.
How to diagnose DTC P1121 on Subaru OBD-II 1996 & Newer models
- Use an OBD-II scanner to retrieve the error code
- Inspect the wiring and connections related to the neutral position switch
- Test the neutral position switch for proper functionality
How to fix DTC P1121 on Subaru OBD-II 1996 & Newer models
- Replace the faulty neutral position switch
- Repair any damaged wiring or connections in the circuit
- Clean any corrosion in the circuit and ensure proper connections
How to erase DTC P1121 on Subaru OBD-II 1996 & Newer models
To erase the DTC P1121 error code on Subaru OBD-II 1996 & Newer models, you can use an OBD-II scanner to clear the code. Once the issue has been fixed, clearing the code will reset the Check Engine Light and ensure the repair was successful.
Recommended tools for Subaru OBD-II 1996 & Newer models diagnostics
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