Monday, 8 June 2026

FormulaFlash Not Reading ECUs? Fix Burnt FB9 Resistor

 Problem: A FormulaFlash ECU Programmer may stop reading all ECUs. Inspection of the PCB shows that the 0Ω resistor at the FB9 position has burned out.


FormulaFlash Not Reading ECUs

Cause

The FB9 resistor is damaged and must be replaced before the device can communicate with ECUs normally.

Solution

Replace the burned 0Ω resistor at the FB9 position.

If a replacement resistor is not available, a compatible 0Ω resistor can be removed from another location on the PCB and soldered onto the FB9 position.

After soldering the replacement resistor, the device can be used immediately.


Fix FormulaFlash Not Reading ECUs
Fix FormulaFlash Not Reading ECUs
Fix FormulaFlash Not Reading ECUs
Fix FormulaFlash Not Reading ECUs

www.obdexpress.co.uk

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