GM Service Manual Online
For 1990-2009 cars only

DTC

Description

Type

Illuminate MIL

Important: The ignition 0 is a switched battery input to the IPC. The ignition 0 should be hot when the ignition switch is in any of the following positions:

   • UNLOCK
   • RUN
   • CRANK
The ignition 0 should be OFF when the ignition switch is in either of the following positions:
   • LOCK
   • ACCESSORY

B0709

Oil Pressure Indicator Circuit Open

--

NONE

B0860

Device Ignition START Circuit Malfunction

--

NONE

B1367

Device Ignition 0 Circuit Low

--

NONE

U1016

Lost Communications with Engine Control System

--

LOW FUEL BATTERY

U1026

Lost Communications with Transmission System

--

NONE

U1041

Lost Communications with Brake/Traction Control System

--

ABS

U1064

Lost Communications with Body Multiple Control System

--

NONE