DTC B100A-62: Fuel pump authorization - Signal compare failure: Action
- Refer to the appropriate electrical circuit wiring diagrams and check the power and ground connections to the central junction box and instrument cluster
- Using the manufacturer approved diagnostic system, complete a CAN network integrity test. Refer to the appropriate electrical circuit wiring diagrams and check the CAN network between the central junction box and instrument cluster
- Confirm correct central junction box/instrument cluster module installed
- Re-synchronize ID by re-configuring the central junction box as a new module
- Check CAN network for interference/electromagnetic compatibility related issues. Ensure that the vehicle is away from sources of electromagnetic interference prior to clearing diagnostic trouble codes and retesting