1, 2 and 3 Digit Codes: 21
CODE NUMBERScan tool: 21
General scan tool: P1781
CODE NAME
Pressure switch circuit: OD
CODE DESCRIPTION
A mismatch has occurred between the shift condition and the pressure switch condition (ON/OFF) while the vehicle is moving.
PROBABLE CAUSE
- Low/high fluid level in transaxle
- Malfunction of pressure switch assembly
- Harness or connector between OD pressure switch and TCM open or short-circuited
- Malfunction of TCM
- Internal transaxle problem
DIAGNOSTIC CHART