DTC U1408 Dodge

4x4 Low Switch Signal Circuit Malfunction

4x4 Low Switch Signal Circuit Malfunction

Description

Vehicle driven to a speed over 25 mph, TR switch indicating Drive, TP angle over 2%, and the PCM detected the VSS ratio indicated over 1.5 with the 4x4 switch off, or less than 1.5 with switch on.

Cause and Solution

4x4 low switch circuit is open4x4 low switch circuit is shorted to ground4x4 low switch circuit is damaged or has failedPCM has failed

Video Guide

Duration: PT4M12S | Uploaded: 2020-08-20

Diagnostic Info

  • DTC Code: U1408
  • Brand: Dodge
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