Transmission Control System
CODE NUMBERScan tool: 21, 22
CODE NAME
Kickdown servo switch system
CODE DESCRIPTION
If the kickdown servo switch does not turn ON in 1 and 3 range within 5 seconds, there is an open circuit in the kickdown servo switch and diagnostic trouble code No. 21 is output. If the kickdown servo switch does not turn OFF in 2 and 4 range, there is a short circuit in the kickdown servo switch and diagnostic trouble code No. 22 is output.
PROBABLE CAUSE
- Malfunction of kickdown servo switch
- Malfunction of connector
- Malfunction of TCM
DIAGNOSTIC CHART