Allison

Allison WTEC II Fault Code: 51 PID: SPN: XY FMI...

Main code 51 indicates a failed offgoing ratio test. X to Y shift An offgoing ratio test occurs during a shift and uses turbine and output speed sensor readings to...

Allison WTEC II Fault Code: 51 PID: SPN: 65 FMI...

Main code 51 indicates a failed offgoing ratio test. 6?5 downshift An offgoing ratio test occurs during a shift and uses turbine and output speed sensor readings to calculate the...

Allison WTEC II Fault Code: 51 PID: SPN: 64 FMI...

Main code 51 indicates a failed offgoing ratio test. 6?4 downshift An offgoing ratio test occurs during a shift and uses turbine and output speed sensor readings to calculate the...

Allison WTEC II Fault Code: 51 PID: SPN: 53 FMI...

Main code 51 indicates a failed offgoing ratio test. 5?3 downshift An offgoing ratio test occurs during a shift and uses turbine and output speed sensor readings to calculate the...

Allison WTEC II Fault Code: 51 PID: SPN: 46 FMI...

Main code 51 indicates a failed offgoing ratio test. 4?6 upshift An offgoing ratio test occurs during a shift and uses turbine and output speed sensor readings to calculate the...

Allison WTEC II Fault Code: 51 PID: SPN: 45 FMI...

Main code 51 indicates a failed offgoing ratio test. 4?5 upshift An offgoing ratio test occurs during a shift and uses turbine and output speed sensor readings to calculate the...