P1642 — Can Link ECM/ABSCM Circuit / Network Malfunction

What it means

P1642 is an OBD-II diagnostic trouble code: Can Link ECM/ABSCM Circuit / Network Malfunction.

Typical fix

Confirm the code with an OBD-II scanner, then inspect the component or circuit named above. Consult a vehicle-specific service manual for the full diagnostic and repair procedure.