Subaru OBD-II 1996 & Newer models DTC P1104 – Engine Torque Control Signal Circuit Malfunction
DTC P1104 meaning on Subaru OBD-II 1996 & Newer models
DTC P1104 indicates a malfunction in the Engine Torque Control Signal Circuit on Subaru vehicles equipped with OBD-II systems from 1996 onwards.
Subaru OBD-II 1996 & Newer models DTC P1104 symptoms
- Check Engine Light (MIL) illuminated
- Reduced engine performance
- Engine may hesitate or stall
Subaru OBD-II 1996 & Newer models DTC P1104 causes
- Faulty Engine Torque Control Signal Circuit
- Wiring issues or poor connections in the circuit
- Defective Engine Control Module (ECM)
Subaru OBD-II 1996 & Newer models DTC P1104 seriousness
The seriousness of DTC P1104 lies in its potential to affect engine performance and drivability. Ignoring this issue can lead to further damage to engine components.
How to diagnose DTC P1104 on Subaru OBD-II 1996 & Newer models
- Use an OBD-II scanner to retrieve the trouble codes
- Inspect the Engine Torque Control Signal Circuit for any visible damage or loose connections
- Check the ECM for proper functioning
How to fix DTC P1104 on Subaru OBD-II 1996 & Newer models
- Repair or replace any damaged wiring in the Engine Torque Control Signal Circuit
- Ensure all connections in the circuit are secure
- If the ECM is faulty, replace it with a new one
How to erase DTC P1104 on Subaru OBD-II 1996 & Newer models
- Use an OBD-II scanner to clear the trouble codes
- Ensure the underlying issue causing DTC P1104 has been resolved before clearing the code
Recommended tools for Subaru OBD-II 1996 & Newer models diagnostics
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Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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