DTC B188D Dodge
Navigation ECU Gateway Communication Error
Navigation ECU Gateway Communication Error
Description
The navigation module (NAV) must detect a power mode transition from the OFF-ASLEEP state to one of the following: ACC ON
Cause and Solution
Test for intermittents on the navigation display serial data high circuit and the navigation display serial data low circuit. Test for intermittents on the navigation module (NAV) supply and ground circuits. Refer to Testing for Electrical Intermittents i
Video Guide
Diagnostic Info
- DTC Code: B188D
- Brand: Dodge