Allison WTEC II Fault Code: 41 PID: SPN: 13 FMI: Open or short-to-ground, B solenoid circuit
Main code 41 indicates the ECU has detected either an open circuit or a short-to-ground in a solenoid or the solenoid wiring. The DO NOT SHIFT response is activated when this code is detected and all solenoids are turned off.
Neutral start is inoperable; all display segments are on if the code is logged during ECU initialization (ignition on).
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Volvo Premium Tech Tool PTT 2.8.130 Diagnostic Software 04.2022 ACPI ( 1 PC )
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