Intermediate Shaft Speed Sensor A Circuit

Where it lives

For P0791, the sensor sits on the circuit this code reports. The description of P0791 reports a fault at the sensor.

Check these first

• An open or short in the intermediate shaft speed sensor A wiring
• A failed intermediate shaft speed sensor A
• Corrosion at the sensor A connector
• Low or dirty transmission fluid
• A TCM fault on the sensor A input

What to do next

1. Read intermediate shaft speed sensor A on a scan tool
2. Test the sensor A circuit for an open or short
3. Check the sensor A connector and wiring
4. Check the fluid level and condition
5. Replace the sensor if the circuit tests good
6. Clear the code and retest

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