Subaru 1987 Fuel injected models DTC 33 – Vehicle Speed Sensor (VSS) or circuit
DTC 33 meaning on Subaru 1987 Fuel injected models
DTC 33 on Subaru 1987 Fuel injected models indicates a fault with the Vehicle Speed Sensor (VSS) or its circuit.
Subaru 1987 Fuel injected models DTC 33 symptoms
- Speedometer may not function correctly or may be erratic.
- Check Engine Light (CEL) may illuminate.
- Transmission may not shift properly.
Subaru 1987 Fuel injected models DTC 33 causes
- Defective Vehicle Speed Sensor (VSS).
- Open or short circuit in the VSS wiring.
- Faulty VSS connector.
Subaru 1987 Fuel injected models DTC 33 seriousness
The seriousness of DTC 33 on Subaru 1987 Fuel injected models lies in the potential safety hazards that may arise from inaccurate speed readings and improper transmission operation. It is recommended to address this issue promptly.
How to diagnose DTC 33 on Subaru 1987 Fuel injected models
- Use a diagnostic scanner to retrieve the trouble codes.
- Inspect the VSS wiring for any visible damage or corrosion.
- Test the VSS using a multimeter to check for proper resistance values.
- Check the VSS connector for any signs of damage or poor connection.
How to fix DTC 33 on Subaru 1987 Fuel injected models
- Replace the faulty Vehicle Speed Sensor (VSS) with a new one.
- Repair any open or short circuits in the VSS wiring.
- Ensure the VSS connector is securely connected and free of damage.
How to erase DTC 33 on Subaru 1987 Fuel injected models
- After fixing the underlying issue causing DTC 33, use a diagnostic scanner to clear the trouble codes.
- Alternatively, disconnect the battery for a few minutes to reset the ECU and clear the codes.
Recommended tools for Subaru 1987 Fuel injected models diagnostics
Explore our expert picks: The Best OBD2 Scanners for 2025
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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