*Spiked by careless welding, ie MIG welding without disconnecting the battery
*Enclosure seal damaged and with obvious sign of water ingress
*Obvious signs of mechanical damage to the enclosure
are possible causes for damaging an ECU
ECU's are misdiagnosed as faulty because of inexperience faultfinding of technician. Faults are much more likely to be with connections or sensors.
Diagnostic practices to test an ABS System - voltage drops at different points of the circuit, resistance test, test for continuity in the circuit
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