“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:U0100 Lost Communication With ECM A
1000 & 2000 Gen 5 -
Allison 1000 & 2000 Gen 5 Fault Code:U0074 CAN Communications BUS 2 Off
1000 & 2000 Gen 5
-
Volvo All Engines (2010 Emissions) Fault Code: SPN 631 FMI 11 PID: PSID 7 Calibration memory
All Engines (2010 Emissions) -
Volvo All Engines (2017 Emissions) Fault Code: P020211 PID: EMS Cylinder 2 Injector “A”
All Engines (2017 Emissions) -
Volvo All Engines (2013 Emissions) Fault Code: P020F25 PID: EMS Cylinder 6 Injection Timing
All Engines (2013 Emissions) -
Volvo All Engines (2017 Emissions) Fault Code: P203D00 PID: EMS Aftertreatment Reagent Level Short Circuit High
All Engines (2017 Emissions)