Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSGMC2001SONOMA 2D PICKUP, 2.2 5, AUTOMATICREPAIR AND DIAGNOSISGENERAL INFORMATIONCOMPUTER RELEARN PROCEDURESFORD MOTOR CO.INSTRUMENT CLUSTER PROGRAMMINGINSTRUMENT CLUSTER PROGRAMMING PROCEDURE "B"
2001 GMC Sonoma 2D Pickup, 2.2 5, Automatic
Instrument Cluster Programming Procedure "B"
2001 GMC Sonoma 2D Pickup, 2.2 5, AutomaticSECTION Instrument Cluster Programming Procedure "B"
NOTE:
Passive Anti-Theft System (PATS) MUST be reconfigured after replacement of Virtual Instrument Cluster (VIC). Perform INSTRUMENT CLUSTER PROGRAMMING PROCEDURE "B" . Then erase and program all ignition keys to be used on vehicle. See appropriate PASSIVE ANTI-THEFT SYSTEMS article in ACCESSORIES & EQUIPMENT.
- Turn ignition switch to OFF position. Using NGS tester, retrieve and record continuous DTCs. Clear continuous DTCs and perform instrument cluster self-test. If DTC B2139 is retrieved, go to next step. If DTC B2139 is not retrieved, system is okay at this time.
- Perform security access for instrument cluster. See SECURITY ACCESS PROCEDURE . Using NGS tester, select PARAMETER RESET command for instrument cluster. Using NGS tester, select PARAMETER RESET command for PCM. Turn ignition switch to RUN position for 3 seconds. Clear Continuous Memory DTCs.
- Turn ignition switch to OFF position. Using NGS tester, perform instrument cluster self-test. If DTC B2139 is not retrieved, system is okay at this time. If DTC B2139 is retrieved, verify PCM calibration is correct for vehicle. If calibration is okay, repeat steps 2 and 3 . If DTC B2139 still exists, replace instrument cluster. Cycle ignition switch from OFF to ON position using 2 encoded ignition keys. Repeat steps 1- 3 . Clear Continuous Memory DTCs. Repeat instrument cluster self-test. If DTC B2139 still exists, replace PCM.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.