“CAT ET 2026 Diagnostic Software” has been added to your cart. View cart
The control module provides the following sensors with 5V supply voltage
A138, Aftertreatment DEF Dosing Pressure
If an abnormal voltage or current is detected on the common supply a DTC is set
Conditions for diagnostic trouble code (DTC):
1) The voltage at pin A137:51 is more than 5.5?V
Observable symptoms
1) None
Probable cause
1) Wiring harness
2) Connector
3) A137: Aftertreatment Control Module (ACM)
Related products
-
Allison 1000 & 2000 Gen 5 Fault Code:P2763 TCC PCS Control Circuit High
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: P040A01 PID: EMS Exhaust Gas Recirculation Temperature Sensor “A”
All Engines (2017 Emissions) -
Volvo All Engines (2013 Emissions) Fault Code: P229E1C PID: EMS NOx Sensor Bank 1 Sensor 2
All Engines (2013 Emissions) -
Volvo All Engines (2017 Emissions) Fault Code: U30004B PID: EMS Electronic Control Unit
All Engines (2017 Emissions) -
Volvo All Engines (2010 Emissions) Fault Code: SPN 107 FMI 0 PID: Engine Air Cleaner 1 Differential Pressure
All Engines (2010 Emissions)