u1137 lost communications with digital radio receiver

OBD2 Code: U1137

Description: Lost Communication With Digital Radio Receiver

Definition: This code indicates that the vehicle’s control module has lost communication with the digital radio receiver. This can be due to a fault in the wiring, a failed component, or an issue with the network communication within the vehicle.

: Lost communications with digital radio receiver
Severity: Moderate

Common Causes

U1137 – Lost Communications with Digital Radio Receiver

Description: This code indicates that the vehicle’s onboard computer has lost communication with the digital radio receiver.

Common Causes:

  • Defective digital radio receiver
  • Wiring or connection issues between the digital radio receiver and the onboard computer
  • Faulty control module or software related to the digital radio system
  • Interference from other electronic devices affecting communication

 

Common Misdiagnosis

Lost Communications with Digital Radio Receiver – Common Misdiagnosis: Faulty radio unit or head unit replacement without checking wiring or connectors.

 

Common Diagnostic Steps

OBD2 Code: U1137
Description: Lost Communications with Digital Radio Receiver
Common Diagnostic Steps:

  • Check for any other related communication codes that may indicate a broader issue.
  • Inspect the wiring and connectors between the digital radio receiver and the vehicle’s communication network for damage or corrosion.
  • Verify that the digital radio receiver is receiving power and ground signals correctly.
  • Test the functionality of the digital radio receiver to ensure it is operating properly.
  • If applicable, update or reflash the software/firmware of the digital radio receiver module.
  • Consult technical service bulletins (TSBs) for known issues related to this code on your specific vehicle model.

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