MechanicDB
Fault Family System: Powertrain (P-Codes) 18 SAE Codes

Intermediate Shaft Speed Sensor Circuit

Diagnostic & Technical Explanation
Code P0791 (Intermediate Shaft Speed Sensor A Circuit) sets when the TCM loses, or receives an implausible, speed signal from an intermediate shaft speed sensor used on multi-clutch/planetary transmissions for precise shift scheduling. Causes are a damaged reluctor wheel, debris at the sensor tip, a corroded connector, or chafed internal transmission wiring.

These 18 diagnostic trouble codes share one detection mechanism and one repair path, which is why MechanicDB groups them into a single authored fault family rather than repeating the same explanation 18 times.

Codes in this family (18)

CodeDefinitionRepair coverage
P0791Intermediate Shaft Speed Sensor A Circuit3 ranked fixes
P0792Intermediate Shaft Speed Sensor A Circuit Range/Performance3 ranked fixes
P0793Intermediate Shaft Speed Sensor A Circuit No Signal3 ranked fixes
P0794Intermediate Shaft Speed Sensor A Circuit Intermittent3 ranked fixes
P07C5Intermediate Shaft Speed Sensor A Circuit Low3 ranked fixes
P07C6Intermediate Shaft Speed Sensor A Circuit High3 ranked fixes
P07C7Intermediate Shaft Speed Sensor B Circuit Low3 ranked fixes
P07C8Intermediate Shaft Speed Sensor B Circuit High3 ranked fixes
P07C9Intermediate Shaft Speed Sensor C Circuit Low3 ranked fixes
P07CAIntermediate Shaft Speed Sensor C Circuit High3 ranked fixes
P2745Intermediate Shaft Speed Sensor B Circuit3 ranked fixes
P2746Intermediate Shaft Speed Sensor B Circuit Range/Performance3 ranked fixes
P2747Intermediate Shaft Speed Sensor B Circuit No Signal3 ranked fixes
P2748Intermediate Shaft Speed Sensor B Circuit Intermittent3 ranked fixes
P2749Intermediate Shaft Speed Sensor C Circuit3 ranked fixes
P2750Intermediate Shaft Speed Sensor C Circuit Range/Performance3 ranked fixes
P2751Intermediate Shaft Speed Sensor C Circuit No Signal3 ranked fixes
P2752Intermediate Shaft Speed Sensor C Circuit Intermittent3 ranked fixes

What this page does not show

This page publishes the fault mechanism and the code index. The licensed dataset adds, for every one of the 15,886 codes, the full authored repair set (56,729 procedures in total) with the fields deliberately withheld here: