Allison WTEC II Fault Code: 62 PID: SPN: 12 FMI: Retarder oil temperature sensor, failed low

Main code 62 indicates the retarder temperature sensor or circuitry is providing a signal outside the usable range of the ECU. Retarder temperature sensor failed low (?45?C; ?49?F)

Main code 62 can be the result of a hardware failure or an actual extremely high or low temperature condition.