U029F FORD - Lost Communication with Evaporative Emission System Leak Detection Control Module

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Invalid data network concerns
  • data is transferred within the normal inter-module message, but contains known invalid data. The transmitting module logs a DTC related to the invalid data concern.
  • Missing message network concerns
  • missing message concerns are logged by the module upon failure to receive a message from another module within a defined retry period.

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

U029f Ford Description

Network DTC concerns occur during module-to-module communication.
OBDII Code U029f Ford - Lost Communication with Evaporative Emission System Leak Detection Control Module - AutoCodes.com

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U029F FORD Comments

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