Allison WTEC II Fault Code: 51 PID: SPN: 24 FMI: Offgoing ratio test (during shift), 2 to 4
Allison WTEC II Fault Code: 51 PID: SPN: 35 FMI: Offgoing ratio test (during shift), 3 to 5
Allison WTEC II Fault Code: 51 PID: SPN: 42 FMI: Offgoing ratio test (during shift), 4 to 2
Allison WTEC II Fault Code: 51 PID: SPN: 43 FMI: Offgoing ratio test (during shift), 4 to 3
Allison WTEC II Fault Code: 51 PID: SPN: 45 FMI: Offgoing ratio test (during shift), 4 to 5
Allison WTEC II Fault Code: 51 PID: SPN: 46 FMI: Offgoing ratio test (during shift), 4 to 6
Allison WTEC II Fault Code: 51 PID: SPN: 53 FMI: Offgoing ratio test (during shift), 5 to 3
Allison WTEC II Fault Code: 51 PID: SPN: 64 FMI: Offgoing ratio test (during shift), 6 to 4
Allison WTEC II Fault Code: 51 PID: SPN: 65 FMI: Offgoing ratio test (during shift), 6 to 5
Allison WTEC II Fault Code: 51 PID: SPN: XY FMI: Offgoing ratio test (during shift), X to Y