27DHB MPE850 UTV Rev A | 409135 |
5 Troubleshooting with trouble codes
5.2 Description of trouble codes
Trouble code
Displayed fault
Trouble code description
Possible consequences
Affected part/system
► Possible consequences/remedy
P0641 Sensor Reference Voltage 1 Circuit Low
Open circuit at 5 V power supply from engine
control unit. Affected connections 32-pol C4,
E4, B4.
The power supply is outside from 5 V +/-1 V.
5 V power supply from engine control unit
► Check the connected parts and wiring.
(See the vehicle manufacturer‘s
documentation.)
► Replace the engine control unit. (See the
vehicle manufacturer‘s documentation.)
P0642 Pedal Position Sensor Supply Voltage Error
Short circuit to ground at 5 V power supply
from engine control unit. Affected connections
32-pol C4, E4, B4.
The power supply is outside from 5 V +/-1 V.
5 V power supply from engine control unit
► Check the connected parts and wiring.
(See the vehicle manufacturer‘s
documentation.)
► Replace the engine control unit. (See the
vehicle manufacturer‘s documentation.)
P0643 Sensor Reference Voltage 1 Circuit High
Short circuit to plus at 5 V power supply from
engine control unit. Affected connections 32-
pol C4, E4, B4.
The power supply is outside from 5 V +/-1 V.
5 V power supply from engine control unit
► Check the connected parts and wiring.
(See the vehicle manufacturer‘s
documentation.)
► Replace the engine control unit. (See the
vehicle manufacturer‘s documentation.)
P0651 Sensor Reference Voltage 2 Circuit Low
Open circuit at 5 V power supply from engine
control unit. Affected connections 64-pol E1,
F1, G1, H1, J1.
The power supply is outside from 5 V +/-1 V.
5 V power supply from engine control unit
► Check the connected parts and wiring.
(See the vehicle manufacturer‘s
documentation.)
► Replace the engine control unit. (See the
vehicle manufacturer‘s documentation.)
P0653 Sensor Reference Voltage 2 Circuit High
Short circuit to plus at 5 V power supply from
engine control unit. Affected connections 64-
pol E1, F1, G1, H1, J1.
The power supply is outside from 5 V +/-1 V.
5 V power supply from engine control unit
► Check the connected parts and wiring.
(See the vehicle manufacturer‘s
documentation.)
► Replace the engine control unit. (See the
vehicle manufacturer‘s documentation.)
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