P1646

CAN Link Timeout To Automatic Gearbox ECU

P1646 - CAN link to auto gearbox ECU.: Implausible signal/condition

Possible causes:
1. Connector MS43 ECM C331, Auto gearbox ECU C932.
2. Open circuit C331/36 (YB) - C932/33 (YB).
3. Open circuit C331/37 (YN) - C932/12 (YN).
4. Automatic gearbox ECU.
5. MS43 ECM.

1. Connector MS43 ECM C331, Auto gearbox ECU C932.
CONNECTOR
Check for connector not correctly latched, backed out pins, damaged pins, corroded pins

2. Open circuit C331/36 (YB) - C932/33 (YB).
OPEN_CIRCUIT
Check resistance > 1M Ohms.

3. Open circuit C331/37 (YN) - C932/12 (YN).
OPEN_CIRCUIT
Check resistance > 1M Ohms.

4. Automatic gearbox ECU.
No detail available for this fault

5. MS43 ECM.
No detail available for this fault