Volvo All Engines (2017 Emissions) Fault Code: P102113 PID: EMS Volvo Compression Brake (VCB) Control Circuit
Volvo All Engines (2017 Emissions) Fault Code: P102113 PID: EMS Volvo Compression Brake (VCB) Control Circuit
The Engine Compression Brake Relay is supplied battery voltage through a fuse when the Engine Control Module (ECM) Relay is energized.
The Engine Control Module (ECM) grounds and completes the circuit for the Engine Compression Brake Relay to activate the compression brake.
Conditions for diagnostic trouble code (DTC):
1) Output not activated
Diagnostic operating conditions
1) Ignition key in ON position
Observable symptoms
1) Reduced engine braking since the compression brake cannot be activated
2) Reduced gear selection performance for some automatic transmissions
Probable cause
1) Open circuit on common supply wire or open circuit on fuse FE9
2) Open circuit in the compression brake solenoid valve
3) Open circuit between Engine control module (ECM) and Solenoid valve, compression brake
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