Operation
Engine Control Module (ECM) Diagnostics 6.26
59
[en-US] | 09/2022 | 5100061327 | RTLx-SC3 | Operator’s Manual
Error codes
Each error code consists of one set of digits. Each includes the letter “E” and
represents the type of error. The error codes are displayed as fixed charac-
ters—they do not scroll across the LED displays automatically.
Note: Only codes for those errors that have occurred are displayed.
Error code example:
• E07—the oil pressure sensor is or has been unplugged.
Viewing codes
1. Connect the diagnostic tool. For further information, see Connecting
the Diagnostic Tool on page 57.
2. Enter the diagnostic mode of the ECM. For further information, see En-
tering the ECM Diagnostic Mode on page 58.
3. Use the buttons on the diagnostic tool to cycle through the codes.
Pressing the A button of the diagnostic tool advances through the
codes. Pressing the B button cycles through the codes in the opposite
order.
4. The fault codes (F00 to F07) are displayed first followed by the error
codes (E00 to E39). Pressing the buttons of the diagnostic tool cycles
through the error codes and back to the fault codes.
Code Description Code Description
F00 Number of tip faults E16 Starter solenoid
F01 Number of overheat faults E17 Shorted fuel solenoid
F02 Number of low oil pressure faults E18 Shorted throttle hold solenoid
F03 Number of EEPROM faults (ECM memory
fault)
E19 Shorted throttle pull relay
F04 Number of over voltage faults E20 Shorted glow plug relay coil
F05 Run time under restricted air flow E21 Shorted RX power relay coil
F06 Number of starts E22 Shorted LED ring output
F07 Engine run time E23 High oil pressure on power up
E00 Possible bad glow time sensor E24 Starter solenoid over current
E01 Possible bad temperature sensor E25 Fuel solenoid over current
E02 Possible bad air flow sensor E26 Throttle hold solenoid over current
E03 Possible bad oil pressure sensor E27 Throttle pull relay coil over current
E04 Possible bad tip sensor E28 Glow plug relay coil over current
E05 Temperature sensor was unplugged E29 RX power relay coil over current
E06 Air restriction sensor was unplugged E30 LED ring output over current
E07 Oil pressure sensor was unplugged E31 Open
E08 Open starter solenoid E32 High starter solenoid current
E09 Open fuel solenoid E33 High fuel solenoid current
E10 Open throttle hold solenoid E34 High throttle hold solenoid current
E11 Open throttle pull relay E35 High throttle pull relay coil current
E12 Open glow plug relay E36 High glow plug relay coil current
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