The following components are connected to a common 12?V supply
R31: Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 1
R29: Aftertreatment Diesel Exhaust Fluid (DEF) Line Heater 3
A138: Aftertreatment Diesel Exhaust Fluid (DEF) Return Valve
A138: Aftertreatment Diesel Exhaust Fluid (DEF) Pump Motor
Y81: Aftertreatment Diesel Exhaust Fluid (DEF) Tank Heater Valve
If an abnormal voltage or current is detected on the common supply a DTC is set
Conditions for diagnostic trouble code (DTC):
1) Open circuit
Observable symptoms
1) Selective catalytic reduction (SCR) system does not function
Probable cause
1) Wiring harness
2) Connector
Related products
-
Allison 1000 & 2000 Gen 5 Fault Code:P2764 TCC PCS Control Circuit Low
1000 & 2000 Gen 5 -
Allison 1000 & 2000 Gen 5 Fault Code:P2761 TCC PCS Control Circuit Open
1000 & 2000 Gen 5 -
Allison 1000 & 2000 Gen 5 Fault Code:U0100 Lost Communication With ECM A
1000 & 2000 Gen 5
-
Volvo All Engines (2017 Emissions) Fault Code: P10AF00 PID: ACM Reductant Pump “A” Control Low Side High
All Engines (2017 Emissions) -
Detroit DD15 EPA07 (2007-09) Fault Code: SPN 709 FMI 4 (MCM, CPC) Short to Ground
DD15 EPA07 (2007-09) -
Volvo All Engines (2017 Emissions) Fault Code: P047572 PID: EMS Exhaust Pressure Control Valve “A”
All Engines (2017 Emissions) -
Volvo All Engines (2013 Emissions) Fault Code: P02E011 PID: EMS Diesel Intake Air Flow Control
All Engines (2013 Emissions)