June 2021 Service and Repair Manual
Ford MSG-425 Engine Fault Codes
Part No. 1306587GT GS
â„¢
-84 • GS
â„¢
-90 155
1 message receipt lost
J1939 ETC message receipt
lost
-Gauge1 open / ground short
-Gauge1 short to power
-Gauge2 open /ground short
-Gauge2 short to power
-Gauge3 open / ground short
-Gauge3 short to power
Buzzer control ground shor
t
Buzzer control short to power
MIL control short to power
Unable to reach lower TPS
Unable to reach higher TPS
1 higher than IVS limit
2 higher than IVS limit
1 invalid voltage and FPP2 disagrees
1 lower than FPP2
1 high voltage
1 low voltage
2 invalid voltage and FPP1 disagrees
1 higher than FPP2
2 low voltage
2 high voltage
-idle, FPP1/2 match
-idle, FPP1/2 match
2 simultaneous voltages out of range
1 lower than IVS limit
2 lower than IVS limit
-side Short to
-side Short to
-side Short to
For further engine fault code troubleshooting and
diagnostic information, refer to the Ford MSG-425
EFI Diagnostic Manual (EDI part number
1080030).
Ford MSG-425 EFI Diagnostic Manual