2012 Chevrolet Silverado 1500 Service and Repair Manual

This 2012 Chevrolet Silverado 1500 Service & Repair Manual Covers

Engine & Drivetrain

• 4.3L Vortec LV1 V6 engine
• 4.8L Vortec LY2 V8 engine
• 5.3L Vortec LC9 and LMG V8 engines
• 6.2L Vortec L9H V8 engine (where equipped)
• Sequential multi-port fuel injection diagnostics
• Active Fuel Management (AFM) servicing (5.3L and 6.2L)
• Variable Valve Timing (VVT) diagnostics (where equipped)
• Engine cooling and lubrication system repairs
• Fuel and emissions control system servicing
• 4L60-E, 6L80, and 6L90 automatic transmission diagnostics
• Electronic transfer case servicing (4WD models)
• Front and rear differential servicing
• Driveshaft and axle repairs
• Four-wheel-drive system diagnostics

Suspension & Steering

• Independent front suspension servicing
• Rear leaf spring suspension repairs
• Hydraulic power steering system diagnostics
• Steering gear servicing
• Wheel hub and bearing replacement
• Wheel alignment specifications

Braking Systems

• Anti-lock Braking System (ABS)
• StabiliTrak electronic stability control
• Traction Control System (TCS)
• Disc brake servicing
• Brake hydraulic system repairs
• Trailer brake controller diagnostics (where equipped)

Electrical & Wiring

• Complete factory wiring diagrams
• Controller Area Network (CAN) diagnostics
• Engine Control Module (ECM) diagnostics
• Transmission Control Module (TCM) diagnostics
• Body Control Module (BCM) diagnostics
• Charging and starting system repairs
• Fuse, relay, and power distribution diagrams
• Lighting system diagnostics
• OnStar and Bluetooth diagnostics (where equipped)

Air Conditioning & HVAC

• Manual and automatic climate control systems
• Air conditioning compressor diagnostics
• Refrigerant recovery and recharge procedures
• HVAC control module servicing
• Heater core and blower motor repairs

Body & Interior

• Power windows, locks, and mirrors
• Remote Keyless Entry (RKE) diagnostics
• Tire Pressure Monitoring System (TPMS)
• Airbag (SIR) system diagnostics
• Instrument cluster servicing
• Power seat and memory seat repairs (where equipped)
• Interior trim removal and installation
• Exterior body repair procedures

Diagnostics & Troubleshooting

• GM Tech 2 and GDS2 diagnostic procedures
• Diagnostic Trouble Code (DTC) troubleshooting
• Module programming and setup
• Component activation and testing
• Electrical troubleshooting procedures
• Factory maintenance schedules
• Complete service specifications

Common Error Codes Covered

This manual provides diagnostic and repair procedures for common GM Diagnostic Trouble Codes (DTCs), including:

Engine Codes

• P0011 – Intake Camshaft Position Timing Over-Advanced
• P0016 – Crankshaft/Camshaft Position Correlation
• P0171 – System Too Lean (Bank 1)
• P0300 – Random/Multiple Cylinder Misfire
• P0521 – Engine Oil Pressure Sensor Performance
• P06DD – Engine Oil Pressure Control Solenoid Performance
• P2135 – Throttle Position Sensor Correlation

Transmission & Drivetrain Codes

• P0700 – Transmission Control System Malfunction
• P0717 – Input Speed Sensor Signal Loss
• P0741 – Torque Converter Clutch Performance
• C0398 – Transfer Case Range Position Sensor Fault

ABS & Chassis Codes

• C0035 – Left Front Wheel Speed Sensor Circuit
• C0050 – Right Rear Wheel Speed Sensor Circuit
• C0561 – Stability System Disabled
• C0710 – Steering Position Signal Fault

Body & Electrical Codes

• B1325 – System Voltage Low
• B1370 – Ignition Accessory Circuit Fault
• U0100 – Lost Communication With ECM/PCM
• U0140 – Lost Communication With Body Control Module

The manual also includes hundreds of additional GM-specific diagnostic trouble codes, electrical wiring diagrams, troubleshooting flowcharts, module programming procedures, and factory repair specifications.

Who Is This Manual For?

This manual is ideal for:

• Chevrolet dealership technicians
• Independent repair workshops
• Fleet maintenance professionals
• Automotive technicians
• Chevrolet Silverado owners
• Experienced DIY mechanics

If you are servicing, maintaining, diagnosing, or repairing a 2012 Chevrolet Silverado 1500, this factory workshop manual provides the complete procedures and technical information required to perform repairs to GM factory standards.