GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Optra 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Diagnostic Trouble Code (DTC) List

DTC

Diagnostic Procedure

Module

1

DTC 1

HVAC Control Module

2

DTC 2

HVAC Control Module

3

DTC 3

HVAC Control Module

4

DTC 4

HVAC Control Module

5

DTC 5

HVAC Control Module

6

DTC 6

HVAC Control Module

7

DTC 7

HVAC Control Module