U1510 GMC - Lost Communication With HVAC Control Module

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

Possible causes

  • Faulty HVAC Control Module
  • HVAC Control Module harness is open or shorted
  • HVAC Control Module circuit poor electrical connection
  • Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • U1510 Gmc Description

    The serial data is transmitted over a Local Interconnect Network (LIN) single wire network circuit bus between a master control module and other LIN devices within a particular subsystem. If serial data communication is lost between any of the LIN devices on the LIN bus network, a no communication code against the non-communicating LIN device will be set. A master control module is the one that reports the non communication code. A loss of serial data communications DTC does not represent a failure of the master control module that set it.
    OBDII Code U1510 Gmc - Lost Communication With HVAC Control Module - Engine-Codes.com

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