TorqueMech OBD Code Guide
P0791 - Intermediate Shaft Speed Sensor A Circuit
The ECM detected a fault in intermediate shaft speed sensor A circuit.
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Read code pattern
Check likely system
Estimate after confirmation
Code Overview
The ECM detected a fault in intermediate shaft speed sensor A circuit.
Common Causes
- Transmission sensor, solenoid, or switch fault
- Damaged wiring or connector
- Internal transmission or control-module issue
Diagnostic Steps
- Check transmission fluid condition and supporting codes
- Inspect the related connector and harness
- Compare commanded operation to live scan data if supported
Related OBD Codes
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Next Steps
Move from code to checks, then estimate.