GM Service Manual Online
For 1990-2009 cars only

Diagnostic Trouble Code (DTC) List

The following table lists HVAC Control Module Diagnosis Codes related to the Automatic Climate Control.

AUTOMATIC CLIMATE CONTROL MODULE DIAGNOSTIC CODES

(Codes related to Automatic Climate Control Module Only)

Codes

Description

B0130

Airflow Position feedback circuit malfunction

B0160

Outside Air Temperature Sensor Circuit Low

B0161

Outside Air Temperature Sensor Circuit High

B0165

Passenger Compartment Air Temperature Sensor Low

B0166

Passenger Compartment Air Temperature Sensor High

B0185

Solar Load sensor Circuit Low

B0186

Solar Load sensor Circuit High

B0413

Temperature Control Feedback Circuit Malfunction

B1000

ECU Malfunction