2003 GMC Sierra 2500HD Reliability

2003 GMC Sierra 2500HD Front Grile and Badging

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Work Truck Regular Cab Pickup (6.0L V8 5-speed Manual 8.1 ft. Bed)

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Reliability Rating for 2003 GMC Sierra 2500HD by Identifix

Ratings Key

Minimal Problems

Moderate Problems

Significant Problems

	Rating	Comments
Engine		An occasional problem on this vehicle is failure of the Fuel Injectors. Failure of the Fuel Injectors applies to the 6.6L Duramax Diesel (RPO LB7- VIN Code 1) engine . Failure of the Fuel Injectors may prevent the vehicle from starting. The cost to repair the Fuel Injectors is estimated at $2800.00 for parts and $825.50 for labor. Prices are estimates based on $65.00 per flat rate hour and do not include diagnostic time or any applicable sales tax.
Transmission & Driveline		An occasional problem on this vehicle is failure of the Park Neutral Switch. Failure of the Park Neutral Switch applies to (Allison Automatic Transmissions) only. The cost to replace the Park Neutral Switch is estimated at $165.17 for parts and $45.00 for labor. All prices are estimates based on $65.00 per flat rate hour and do not include any applicable sales tax..
Steering & Suspension
Brake		An occasional problem on this vehicle is failure of the Front Wheel Speed Sensor. Failure of the Front Wheel Speed Sensor can cause false cycling of the ABS brakes. The cost to repair the Front Wheel Speed Sensor(s) is $124.97 for the parts and $84.50 for labor per side. All prices are estimates based on $65.00 per flat rate hour and do not include diagnostic time or any applicable sales tax.
Heating & Air Conditioning
Starting & Charging		An occasional problem with this vehicle is the failure of the Ignition Lock Cylinder and Housing Assembly. This engages the antitheft system and prevents the engine from starting. The cost to repair the Ignition Lock Cylinder and Housing is estimated at $183.75 for parts and $84.50 for labor. All prices are estimates based on $65.00 per flat rate hour and do not include diagnostic time or applicable taxes.
Accessories		An occasional problem on this vehicle is failure of the Instrument Panel Cluster (IPC). The cost to replace the Instrument Panel Cluster (IPC) is estimated at $262.00 for parts and $39.00 for labor. All prices are estimates based on $65 per flat rate hour and do not include diagnostic time or any applicable sales tax.
Overall		3 out of 5

Reliability Ratings displayed above reflect style specific standard features and may vary from aggregated values displayed for the same year in the historical model overviewed bellow.

Reliability History for GMC Sierra 2500HD by Identifix

	2001	2002	2003	2004	2005
Engine
Transmission & Driveline
Steering & Suspension
Brake
Heating & Air Conditioning
Starting & Charging
Accessories
Overall

Reliability Ratings by Identifix is based from repair shop-reported issues. Though this data may be for years prior to model you are researching, it exposes how reliable this model platform has been historically.