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3126B
/ CAT 3126B Fault Code: 41-04 PID: Flash Code 21 SPN: 678 FMI: 4 8 Volt Supply Below Normal
CAT 3126B Fault Code: 41-04 PID: Flash Code 21 SPN: 678 FMI: 4 8 Volt Supply Below Normal
The throttle signal is less than 5% or more than 95%
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