DTC B1000: Control Module Malfunction: Testing
- Perform diagnostic system check for system in which customer concern is apparent. See DIAGNOSTIC SYSTEM CHECK table under SELF-DIAGNOSTIC SYSTEM. After performing diagnostic system check, go to next step.
- If DTC B1000 is current, go to next step. If DTC B1000 is a history DTC, go to DIAGNOSTIC AIDS .
- Replace suspect control module. See appropriate removal and installation procedure under REMOVAL & INSTALLATION for module being replaced. After repair, system is okay.