Scania fault code 291
Code 291 is used by 8 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Throttle
The throttle valve position indication is incorrect.
Read explanation →
TMS Transmission Management System
Clutch actuator, software fault
- Clutch actuator hardware is not supported by the software. - Incorrect clutch actuator serial number.
Read explanation →
VDT
Solenoid valve
Short circuit to battery for the solenoid valve coil.
Read explanation →
ELC Electronically controlled air suspension
Sensor signal from level sensor for right-hand side of driving axle.
The voltage on the input from the level sensor is too high.
Read explanation →
ALLISON Allison automatic gearbox
Accelerator pedal sensor
Voltage to accelerator pedal sensor is too high.
Read explanation →
ABS Anti-lock Braking System
TC control
The supply voltage has been above the permitted level.
Read explanation →
LAS Locking and Alarm System
Alarm code, extra sensor 2
The fault affects engine performance. It is difficult to start the engine. Engine emissions are affected.
Read explanation →
WTA
Control unit
Incorrect or invalid data.
Read explanation →