Transmission Control System
NameCode No. 50, 51 Speeds error (Gear ratio in reverse, 1st)
Description
A hard fault is considered to exist when the fault counter has matured to a value of 255.
An intermittent fault is considered present when the fault counter is greater than or equal to 6 and less than 255.
No fault is considered to exist when the fault counter is less than 6.
Probable cause
- Malfunction of input speed sensor
- Malfunction of output speed sensor
- Harness or connector between input speed sensor and TCM open or short-circuited
- Harness or connector between output speed sensor and TCM open or short-circuited
- Malfunction of TCM
- Internal transaxle problem