Operation CHARM: Car repair manuals for everyone.

Trouble Code Conditions






SPECIAL TOOLS
Test box tool No. 981 3190, or equivalent
Volvo scan tool No. 998 8686, or equivalent

CONDITION
Lock-up solenoid SL controls the transmission lock-up function. Solenoid SL operates when battery voltage is applied from the Transmission Control Module (TCM) and is activated during different driving conditions depending on road speed, throttle position and the driving mode selected. Diagnostic Trouble Code (DTC) AT-332 is posted if-the TCM registers an open-circuit in the solenoid SL circuit when the solenoid should not be activated. Solenoid SL cannot be activated.DTC AT-332 is also posted if the TCM registers a short-circuit in the solenoid SL amplifier when this should not be activated. Solenoid SL cannot then be activated.

SUBSTITUTE VALUE
The TCM "Emergency mode l" program has been initiated.

POSSIBLE SOURCE
- Open-circuit in signal cable
- Defective solenoid
- Open-circuit in power ground
- Contact resistance in terminals.
- Defective control module

FAULT SYMPTOM(S)
- No lock-up function.
- No adaption of the gear slippage times at high altitude (High Altitude Compensation).

TESTING PROCEDURE
- Start fault-tracing at open-circuit. Open-Circuit