Scania fault code 674
Code 674 is used by 7 different Scania systems. Choose the control unit shown in your diagnostic tool:
EBS Electronic Braking System
Control unit
Incorrect or unreliable data.
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TMS Transmission Management System
Wheel speed sensor, fault in the vehicle speed reading
The electronic control unit indicates a fault in the CAN signal from the wheel speed sensor.
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COO Coordinator
Signals from the starter lock
Inadmissible combination of signals to the coordinator from the starter lock. The fault code is set when the coordinator receives a signal that the voltage is on but no signal conf…
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ELC Electronically controlled air suspension
Control unit
Incorrect or unreliable data.
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CUV Visibility system
Loudspeaker 1 short to ground
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BCI
Short circuit, analogue input signal, expansion unit F (pin 20)
Short circuit to supply voltage (+24 V) or reference voltage (+5 V).
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CMS
Information fault, request for differential lock
Incorrect information regarding the request for differential lock.
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