Chevrolet Silverado / GMC Sierra. Service manual — part 2420

Fig. 3: Gages
Courtesy of GENERAL MOTORS CORP.

DRIVER INFORMATION SYSTEM SCHEMATICS

2008 Chevrolet Silverado 1500

2008 ACCESSORIES & EQUIPMENT Displays and Gages - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Fig. 4: Driver Information System Schematic
Courtesy of GENERAL MOTORS CORP.

AUDIBLE WARNINGS SCHEMATICS

2008 Chevrolet Silverado 1500

2008 ACCESSORIES & EQUIPMENT Displays and Gages - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Fig. 5: Audible Warnings Schematic
Courtesy of GENERAL MOTORS CORP.

DIAGNOSTIC INFORMATION AND PROCEDURES

DIAGNOSTIC CODE INDEX

DIAGNOSTIC CODE INDEX

DTC

Description

DTC B3567

B3567 01: Driver Information Center (DIC) Select Switch

Circuit Short To Battery

B3567 59: Driver Information Center (DIC) Select Switch

Circuit/Component Protection Time-Out

DTC P0381

P0381: Wait To Start Lamp Control Circuit

DTC P0461

P0461: Fuel Level Sensor 1 Performance

DTC P0462

P0462: Fuel Level Sensor 1 Low Voltage

DTC P0463

P0463: Fuel Level Sensor 1 High Voltage

DTC P0464

P0464: Fuel Level Sensor 1 Circuit Intermittent

DTC P0521, P0522, or

P0521: Engine Oil Pressure (EOP) Sensor Performance

2008 Chevrolet Silverado 1500

2008 ACCESSORIES & EQUIPMENT Displays and Gages - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

DIAGNOSTIC STARTING POINT - DISPLAYS AND GAGES

Begin the displays and gages system diagnosis with Diagnostic System Check - Vehicle or the
audible warning system diagnosis with Diagnostic System Check - Vehicle . The Diagnostic
System Check will provide the following information:

The identification of the control modules which command the system

The ability of the control modules to communicate through the serial data circuit

The identification of any stored diagnostic trouble codes (DTCs) and their status

The use of the Diagnostic System Check will identify the correct procedure for diagnosing the
system and where the procedure is located.

DTC B3567

Diagnostic Instructions

Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

Review Strategy Based Diagnosis for an overview of the diagnostic approach.

Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptors

DTC B3567 01

Driver Information Center (DIC) Select Switch Circuit Short To Battery

DTC B3567 59

Driver Information Center (DIC) Select Switch Circuit/Component Protection Time-Out

Diagnostic Fault Information

P0523

P0522: Engine Oil Pressure (EOP) Sensor Circuit Low

Voltage.

P0523: Engine Oil Pressure (EOP) Sensor Circuit High

Voltage

DTC P2066

P2066: Fuel Level Sensor 2 Performance

DTC P2067

P2067: Fuel Level Sensor 2 Low Voltage

DTC P2068

P2068: Fuel Level Sensor 2 High Voltage

2008 Chevrolet Silverado 1500

2008 ACCESSORIES & EQUIPMENT Displays and Gages - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado