Turn ignition switch to LOCK 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 KEY PROGRAMMING - SECURITY ACCESS PROCEDURE under PASSIVE ANTI-THEFT SYSTEM (PATS) . 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 30 seconds. Turn ignition switch to LOCK 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, replace instrument cluster. If DTC B2139 still exists, replace PCM.

NOTE: After HEC has been replaced, Passive Anti-Theft System (PATS) module MUST be reconfigured. See PASSIVE ANTI-THEFT SYSTEM (PATS) .

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.

Safety Warning

Virtual Instrument Cluster (VIC) Programming