What Does P0792 Mean?
The intermediate shaft speed sensor A is reporting readings that are outside the expected range or are not performing as expected. The TCM compares this sensor's readings against input and output shaft speeds to verify proper gear engagement, and the readings are inconsistent. This can indicate a worn sensor, contaminated reluctor, or internal transmission mechanical issues causing abnormal intermediate shaft behavior.
Common Causes
30%
Worn or degraded intermediate shaft speed sensor A producing weak signal
25%
Contaminated or debris-covered reluctor ring causing erratic readings
20%
Internal transmission mechanical issue (slipping clutch packs, worn gears) causing actual speed deviation
15%
Excessive sensor-to-reluctor air gap from mounting issues
10%
Intermittent wiring issues reducing signal quality
Diagnostic Steps
1
Compare intermediate shaft speed sensor A readings to input shaft speed and output shaft speed PIDs during steady-state driving in each gear.
2
Check transmission fluid level and condition — low or degraded fluid can cause internal slip that mimics a sensor range issue.
3
Inspect the sensor and reluctor ring for metal debris, fluid contamination, or physical damage.
4
Verify sensor signal quality using an oscilloscope — look for consistent waveform amplitude and frequency.
5
If sensor readings genuinely deviate from expected ratios, perform a transmission pressure test to rule out mechanical slippage.
6
Replace the sensor if signal quality is weak or inconsistent despite a clean reluctor and good wiring.
Estimated Repair Cost
$150 - $1,200
Parts + labor, varies by vehicle and location
The intermediate shaft speed sensor A is reporting readings that are outside the expected range or are not performing as expected. The TCM compares this sensor's readings against input and output shaft speeds to verify proper gear engagement, and the readings are inconsistent. This can indicate a wo...
The most common cause of P0792 (Intermediate Shaft Speed Sensor A Circuit Range/Performance) is: Worn or degraded intermediate shaft speed sensor A producing weak signal
Typical repair costs for P0792 range from $150 to $1,200, depending on the vehicle, location, and whether you do it yourself or go to a shop.
The transmission may exhibit harsh shifts, gear hunting, or may enter limp mode. Drive cautiously at moderate speeds. If the issue is mechanical slippage, continued driving can cause progressive damage. Have the vehicle diagnosed as soon as possible.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to P0792 to identify the root cause.
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Quick Info
Category
Powertrain
System
Automatic Transmission
Difficulty
Type
Generic (SAE)
Recommended Tools
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