Symptom Tree t112
Cause | Correction |
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Programmable parameters or selected features are not correct |
Check the programmable parameters and the selected features with an electronic service tool. Set the parameters and features again, if necessary. Refer to |
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Electronic control module (ECM) calibration is malfunctioning |
Verify that the electronic control module (ECM) calibration is correct. Check the calibration revision history for applicable fixes to the calibration stored in the ECM. Refer to the calibration history spreadsheet Click here to see ecm_calibration_rev_history.xls on QuickServe™ Online Internet Website or the INCAL™ calibration CD. Compare the calibration stored in the ECM with the engine rating and the Control Parts List (CPL), Bulletin 4021328. If necessary, calibrate the ECM. Refer to |
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Vehicle speed sensor (VSS) or circuit is malfunctioning |
Check the vehicle speed sensor and circuit. Refer to Procedure 019-091 and |
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Clutch switch or circuit is malfunctioning |
Check the clutch switch adjustment, switch, and circuit. |
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Engine brake on/off switch or circuit is malfunctioning |
Check the engine brake on/off switch and circuit. Refer to Procedure 019-034 and |
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Vehicle brake switch or circuit is malfunctioning |
Check the vehicle brake switch and circuit. Refer to Procedure 019-088 and Procedure 019-089 in Section 19. |
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Cruise control/PTO on/off switch or circuit is malfunctioning |
Check the cruise control/PTO on/off switch and the circuit. Refer to Procedure 019-021 and |
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Cruise control/PTO selector switch or circuit is malfunctioning |
Check the cruise control/PTO selector switch and circuit. Refer to Procedure 019-023 and |
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