P1646

V8 Engine Management System ECM - CAN Bus Missing Node - Transmission Control Module

P1646 - CAN bus missing node - Electronic Automatic Transmission ECU.: Last occurrence - signal fault

Possible causes:
1. Circuit integrity to C0331/36 (YB).
2. Circuit integrity to C0331/37 (YN).
3. Connector C0331.
4. Electronic Automatic Transmission ECM.
5. V8 Engine Management System ECM.

1. Circuit integrity to C0331/36 (YB).
CIRCUIT_INTEGRITY
Check for open circuit, short circuit to ground, supply or other circuit, damaged or unlatched connector, intermediate connectors or headers

2. Circuit integrity to C0331/37 (YN).
CIRCUIT_INTEGRITY
Check for open circuit, short circuit to ground, supply or other circuit, damaged or unlatched connector, intermediate connectors or headers

3. Connector C0331.
CONNECTOR
Check for connector not correctly latched, backed out pins, damaged pins, corroded pins

4. Electronic Automatic Transmission ECM.
No detail available for this fault

5 V8 Engine Management System ECM.
No detail available for this fault