Textron Motors 408014, Diagnostic Manual

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37 DHB MPE850 MAR Rev B | 408014 | 408090 | 408101 | 408246 |
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
P2127 Throttle/Pedal Position Sensor/Switch "E"
Circuit Low Input
Open circuit or short circuit to ground at part or
wire harness.
Unusual or no throttle response.
Throttle request unit
► Check wiring in the wire harness to the
affected part. (See chapter 7 Wiring
diagram.)
► Replace the affected part. (See the vehicle
manufacturer‘s documentation.)
P2128 Throttle/Pedal Position Sensor/Switch "E"
Circuit High Input
Short circuit to plus at part or wire harness.
Unusual or no throttle response.
Throttle request unit
► Check wiring in the wire harness to the
affected part. (See chapter 7 Wiring
diagram.)
► Replace the affected part. (See the vehicle
manufacturer‘s documentation.)
P2135 Throttle/Pedal Position Sensor/Switch "A" / "B"
Voltage Correlation
Implausible values of the sensors.
Unusual or no throttle response.
Throttle body
► Check wiring in the wire harness to the
affected part. (See chapter 7 Wiring
diagram.)
► Replace the affected part. (See the repair
manual.)
P2138 Throttle/Pedal Position Sensor/Switch "D" / "E"
Voltage Correlation
Implausible values of the sensors.
Unusual or no throttle response.
Throttle request unit
► Check wiring in the wire harness to the
affected part. (See chapter 7 Wiring
diagram.)
► Replace the affected part. (See the vehicle
manufacturer‘s documentation.)
P2261 Turbo Boost Pressure Not Detected -
Mechanical
Boost pressure permanently too high.
Waste gate valve
► A permanently close waste gate valve can
cause the fault. Adjust or replace the waste
gate valve. (See the service manual.)
► Leaky hoses at the valve boost pressure
control can cause the fault. Check the
hoses.