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Volvo All Engines (2010 Emissions) Fault Code: SPN 3512 FMI 4 PID: PSID 126 Sensor Supply Voltage 4

Category All Engines (2010 Emissions) Tags 126, 2010, 3512, 4, All, CodeSPN, Emissions, Engines, Fault, FMI, PIDPSID, Sensor, Supply, Voltage, Volvo

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 less than 4.5?V

Observable symptoms
1) None

Probable cause
1) Wiring harness
2) Connector
3) A138, Aftertreatment DEF Dosing Pressure
4) A137: Aftertreatment Control Module (ACM)

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Volvo All Engines (2010 Emissions) Fault Code: SPN 3512 FMI 4 PID: PSID 126 Sensor Supply Voltage 4

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Volvo All Engines (2010 Emissions) Fault Code: SPN 3512 FMI 4 PID: PSID 126 Sensor Supply Voltage 4

CAT ET 2026 Diagnostic Software

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