DTC P2729 Cadillac

Damper Motor Temperature Driver, Faulty Signal

Damper Motor Temperature Driver, Faulty Signal

Description

Diagnostic trouble code (DTC) ECC-311 is stored if the control module detects that the voltage across both cables to the damper motor is below approximately 0.5 V when the motor is activated or exceeds approximately 4 V when the motor is not activated.

Cause and Solution

Short-circuit to ground or supply voltage in the control signal cable.Open-circuit in the control signal cable.Contact resistance in terminals.Defective damper motor.

Video Guide

Duration: PT4M10S | Uploaded: 2020-06-20

Diagnostic Info

  • DTC Code: P2729
  • Brand: Cadillac
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