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• Naing Min Htun

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Volvo Guided Diagnostics Date: 3/17/2012

Information Type: Diagnostics Fault Codes

187: Vehicle Control Unit

1125: Start lock relay

Profile: EXC, EC290B LC (Volvo) [GB] EXC, EC290B LC (Volvo) [GB] EXC, EC290B LC (Volvo) [GB] EXC, EC290B LC (Volvo) [GB]

MID187 Vehicle Control Unit;PPID1125 Start lock relay(187 PPID1125) 187 PPID1125 Reference Fault mode diagnosis Fault mode FMI 4

Detection conditions:The vehicle control unit (V-ECU) registers: voltage too low (VA58) Symptom:     

Red central warning Buzzer sounds one time Error message screen The starter motor does not work The engine does not start

Possible causes: 

Short circuit to frame ground

Action

3021 Relay, description and measuring

Fault mode FMI 5

Detection conditions:The vehicle control unit (V-ECU) registers: current too low (VA58) Symptom:     

Action

Red central warning Buzzer sounds one time Error message screen The starter motor does not work The engine does not start

Possible causes:  

Short circuit to higher voltage Open circuit

3021 Relay, description and measuring Guided Diagnostics