Diagnostic Trouble Codes on Electronic PowrQuad Controller (EPC)

Lamp

Diagnostic Trouble Code

Desription

blue

EPC 000158.04

System voltage too low

yellow

EPC 000629.12

Controller, internal fault

blue

EPC 000639.12

Controller, internal fault

blue

EPC 000639.13

29-bit CAN BUS, high error rate

blue

EPC 000639.19

29-bit CAN BUS, very high error rate

yellow

EPC 306014.02

Clutch pedal potentiometer, incorrect voltage ratio at channel 1 and 2

blue

EPC 306015.03

Clutch pedal potentiometer, voltage at channel 1 too high

blue

EPC 306016.04

Clutch pedal potentiometer, voltage at channel 1 too low

blue

EPC 306020.31

Controller, incorrect input value

blue

EPC 306026.31

Reverse drive lever detent coil, circuit fault

blue

EPC 306027.31

Reverse solenoid, circuit fault

blue

EPC 306028.31

Forward solenoid, circuit fault

blue

EPC 306033.14

Enable proportional solenoid valve, circuit fault

blue

EPC 306034.31

Enable proportional solenoid valve opened by mistake

blue

EPC 306035.31

Enable proportional solenoid valve closed by mistake

blue

EPC 306039.31

Parking switch signal and reverse control switch signal simultaneously active

blue

EPC 306040.31

Not-neutral switch closed by mistake

blue

EPC 306041.31

Forward and reverse switches closed at the same time

blue

EPC 306042.31

Forward switch closed and not-neutral switch open

blue

EPC 306043.31

Reverse switch closed and not-neutral switch open

blue

EPC 306046.32

Neutral switch in reverse drive lever closed during initialization

blue

EPC 306050.03

Transmission enable pressure too high

blue

EPC 306051.04

Transmission enable pressure too low

blue

EPC 306053.31

Clutch pedal potentiometer defective

blue

EPC 306054.31

Clutch pedal switch opened by mistake

yellow

EPC 306055.31

"Come home" mode is activated

blue

EPC 306056.31

Forward/Reverse switch activated during initialization

blue

EPC 306057.31

Transmission enable signal faulty

yellow

EPC 306058.31

Ground speed registered during calibration

blue

EPC 306059.31

Excessively high transmission speed during calibration

blue

EPC 306060.31

ECU or BCU sends no data (engine speed)

blue

EPC 306061.31

Transmission speed too low

yellow

EPC 306063.14

Controller, internal fault

blue

EPC 306065.14

Controller, internal fault

blue

EPC 306069.14

Controller, internal fault

blue

EPC 306070.03

Upshift/Downshift switch, short circuit

blue

EPC 306071.03

Power/ECO mode switch, shorted circuit

blue

EPC 306080.31

Potentiometer for auto mode, circuit fault

blue

EPC 306111.31

K1 solenoid valve, circuit fault

blue

EPC 306112.31

K2 and/or K3 solenoid valve, circuit fault

blue

EPC 306120.09

BCU sends no data (transmission output speed)

blue

EPC 306121.09

ECU or BCU sends no data (engine speed)

blue

EPC 306122.09

Engine control unit sends no data (hand throttle/accelerator pedal)

blue

EPC 306123.09

BCU sends no data (engine operating hours)

blue

EPC 306240.31

Controller is connected to the wrong harness connector

OU12401,0000FFE-19-20031201