Malfunction Of Tcm - Suzuki Grand Vitara XL-7 Service Manual

7B1-58 AUTOMATIC TRANSMISSION (4 A / T)
DTC P1702 (DTC NO.52) INTERNAL MALFUNCTION OF TCM
DTC DETECTING CONDITION
Calculations of current data stored in TCM is not
correct comparing with pre-stored checking data in
TCM.
DTC CONFIRMATION PROCEDURE
1) Connect scan tool to DLC with ignition switch OFF.
2) Clear DTC in TCM memory by using scan tool.
3) Turn ignition switch ON, and OFF.
4) Check DTC by using scan tool.
TROUBLESHOOTING
Step
1 Is DTC P1702 outputted after performing DTC
confirmation procedure?
Action
TROUBLE AREA
D TCM
Yes
Faulty TCM
No
Could be a temporary

malfunction of TCM.