2003 Buick Lesabre Engine Control Module Prog. To VIN – Part #12583826

2003 Buick LESABRE Powertrain Control Module 12583826 – Programmed To Your VIN

Is your LESABRE’s engine performance suffering from mysterious issues? Perhaps you’re experiencing rough idling, stalling, or decreased fuel efficiency. Our pre-programmed powertrain control module (PCM) is here to help! This direct replacement part is specifically designed for the 2003 Buick LESABRE and is guaranteed to match your vehicle’s exact specifications using your VIN. It’s a perfect substitute for the following compatible part numbers: 12583826, 89017735.

Key Features & Benefits

• Restores smooth engine performance and optimal fuel efficiency
• Eliminates diagnostic trouble codes (DTCs) related to the PCM
• Ensures proper communication between engine components
• Compatible with various Buick models, including LESABRE, IMPALA, MONTE CARLO, REGAL, PARK AVENUE, BONNEVILLE, and GRAND PRIX
• Guaranteed to match your vehicle’s exact specifications using your VIN

Common Problems Solved

This pre-programmed PCM solves a range of problems for the 2003 Buick LESABRE, including stalling, rough idling, decreased fuel efficiency, and diagnostic trouble codes (DTCs). By replacing your faulty PCM with our programmed unit, you’ll restore smooth engine performance, eliminate pesky DTCs, and ensure proper communication between engine components.

Simple Installation Process

• After purchasing, please provide us with your VIN so we can program the PCM to match your vehicle’s exact specifications
• Disconnect the battery to prevent any accidental engine starts
• Locate the old PCM in the left-hand (LH) engine compartment and remove it
• Install the new pre-programmed PCM and reconnect the battery
• Start the engine and check for proper function; if issues persist, consult a professional mechanic

Guaranteed Fitment