Suzuki Grand Vitara 2011 Manual page 1250

5A-25 Automatic Transmission/Transaxle:
DTC
No. Trouble Area
P17 Internal Control Module Memory Check
02 Sum Error
P17 CAN Invalid Data- TCM
03
P17 CAN communication problem-TCM
74
P17 TCM Lost Communication with ECM
77 (Reception Error)
P17 TCM Lost Communication with BCM
78 (Reception Error)
P18 4L switch circuit malfunction (Short)
74
P18 4L switch circuit malfunction (Open)
75
P18 Torque Converter Clutch Shudder
78
P27 Torque Converter Clutch Circuit High
63
Fail Safe Operation
• Power supply for all solenoid valves is cut.
• Gear position is fixed according to select lever position as shown
in the following.
R: Reverse
D: 4th
3: 4th
2: 3rd
L: 1st
• Lock-up function is inhibited to operate.
• Line pressure control at gear shifting is inhibited.
In case of throttle position signal malfunction:
• Throttle opening used for line pressure control is assumed to be
100%.
• Throttle opening used for gear shifting control is assumed to be
0%.
• Lock-up function is inhibited to operate.
• Line pressure control at gear shifting is inhibited.
In case of engine coolant temperature signal malfunction:
• Engine coolant temperature is assumed to be 80 °C (176 °F).
• Slip controlled lock-up function is inhibited to operate.
In case of engine revolution signal malfunction:
• Engine revolution is assumed to be maximum revolution.
• Lock-up function is inhibited to operate.
In case of engine torque signal malfunction:
• Slip controlled lock-up function is inhibited to operate.
• Engine torque is assumed to be maximum torque.
In case of vehicle speed signal:
• Cruise control function is inhibited to operate. (if equipped with
cruise control system)
• Throttle opening used for line pressure control is assumed to be
100%.
• Throttle opening used for gear shifting control is assumed to be
0%.
• Engine revolution is assumed to be maximum revolution.
• Engine torque is assumed to be maximum torque.
• Engine coolant temperature is assumed to be 80 °C (176 °F).
• Lock-up function is inhibited to operate.
• Line pressure control at gear shifting is inhibited.
• Torque reducing request to ECM (torque reduction control) is
inhibited.
• Line pressure is outputted maximum value.
• Power mode is inhibited. (P1774 only)
Power mode is inhibited.
Slip controlled lock-up function is inhibited to operate. (if equipped
with 4L/N switch)
Slip controlled lock-up function is inhibited to operate.
Power supply for TCC pressure control solenoid is cut.