7B1-58
AUTOMATIC TRANSMISSION (4 A / T)
DTC P1702 (DTC NO.52) INTERNAL MALFUNCTION OF TCM
DTC DETECTING CONDITION
TROUBLE AREA
Calculations of current data stored in TCM is not
correct comparing with pre-stored checking data in
TCM.
D
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
Action
Yes
No
1
Is DTC P1702 outputted after performing DTC
confirmation procedure?
Faulty TCM
Could be a temporary
malfunction of TCM.