DTC P1643 GMC
CAN timeout between IPM and AV AVN
CAN timeout between IPM and AV AVN
Description
This is a DTC which is related with communication error between IPM and other units. This code is outputted when IPM cant receive data from AV AVN by CAN Line for 6 sec.
Cause and Solution
IPM CAN High Low Lines open together Check AV AVN (Including the related fuses) AV AVN CAN High Low Lines open
Video Guide
Diagnostic Info
- DTC Code: P1643
- Brand: GMC