Allison WTEC II Fault Code: 54 PID: SPN: 10 FMI: Oncoming ratio test (after shift), 1 to L
Allison WTEC II Fault Code: 54 PID: SPN: 12 FMI: Oncoming ratio test (after shift), 1 to 2
Allison WTEC II Fault Code: 54 PID: SPN: 17 FMI: Oncoming ratio test (after shift), 1 to R
Allison WTEC II Fault Code: 54 PID: SPN: 21 FMI: Oncoming ratio test (after shift), 2 to 1
Allison WTEC II Fault Code: 54 PID: SPN: 23 FMI: Oncoming ratio test (after shift), 2 to 3
Allison WTEC II Fault Code: 54 PID: SPN: 24 FMI: Oncoming ratio test (during shift), 2 to 4
Allison WTEC II Fault Code: 54 PID: SPN: 27 FMI: Oncoming ratio test (after shift), 2 to R
Allison WTEC II Fault Code: 54 PID: SPN: 34 FMI: Oncoming ratio test (after shift), 3 to 4
Allison WTEC II Fault Code: 54 PID: SPN: 32 FMI: Oncoming ratio test (after shift), 3 to 2
Allison WTEC II Fault Code: 54 PID: SPN: 35 FMI: Oncoming ratio test (during shift), 3 to 5