Scania fault code 5809
Code 5809 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMS Engine Management System
Temperature sensor T158 above the oxidation catalytic converter
Implausible temperature drop across the oxidation catalytic converter. The T158 temperature sensors upstream of the oxidation catalytic converter and upstream of the particulate fi…
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EMD
Temperature sensor T158 above the oxidation catalytic converter
Implausible temperature drop across the oxidation catalytic converter. The T158 temperature sensors upstream of the oxidation catalytic converter and upstream of the particulate fi…
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EME
Exhaust gas temperature, implausible value on comparison
Implausible temperature drop across the oxidation catalytic converter. Exhaust gas temperature sensor T4012/T158 upstream of the oxidation catalytic converter and exhaust gas tempe…
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EMO
Temperature sensor T158 above the oxidation catalytic converter
Implausible temperature drop across the oxidation catalytic converter. The T158 temperature sensors upstream of the oxidation catalytic converter and upstream of the particulate fi…
Read explanation →