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U0141

Overview

Code

U0141

Code Type

U

Code Class

U0

System

Network, Body

Severity Level

Low

Emissions Related

false

Drivability Impact

None

Diagnostic Protocol

OBD2

Freeze Frame Useful

false

Code Definition

Diagnostic trouble code U0141 indicates a loss of communication with the climate control module

Symptoms

HVAC system not responding; Check Engine Light

Overview applies to this diagnostic code.

Affected Systems

On This Page

  • Code Definition

  • Symptoms

  • Affected Systems

  • Possible Causes

  • Diagnostic Steps

  • Drive Safety Notes​

More Resources

HVAC system communication

Possible Causes

Module power loss; CAN wiring faults

Diagnostic Steps

1 Verify HVAC module power; 2 Inspect CAN lines; 3 Test module communication; 4 Replace module if needed

Drive Safety Notes

Driving is safe, but climate control may not function

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