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C15 Troubleshooting

C15 – 0002-05 Cylinder #2 Injector current low (72)

Posted on March 12, 2022

Conditions Which Generate This Code: • The ECM detects a low current condition (open circuit) during five consecutive attempts to energize the No. 2 injector.…

C15 Troubleshooting

C15 – 0001-06 Cylinder #1 Injector current high (72)

Posted on March 12, 2022

Conditions Which Generate This Code: • The ECM detects a high current condition (short circuit) during five consecutive attempts to energize the No. 1 injector.…

C15 Troubleshooting

C15 – 0001-05 Cylinder #1 Injector current low (72)

Posted on March 12, 2022

Conditions Which Generate This Code: • The ECM detects a low current condition (open circuit) during five consecutive attempts to energize the No. 1 injector.…

C15 Troubleshooting

C15 – No Diagnostic Code Detected (55)

Posted on March 12, 2022March 12, 2022

Conditions Which Generate This Code: A Flash Code 55 indicates that the system has not detected any system faults since the last powerup. System Response:…

C15 Troubleshooting

C15 – Diagnostic Codes

Posted on March 12, 2022
C15 Troubleshooting

C15 – Poor Acceleration or Response

Posted on March 12, 2022

Probable Causes The probable root causes are listed in order below: • Diagnostic codes • Intake valve actuation system • Cold mode • Customer specified…

C15 Troubleshooting

C15 – Low Power/Poor or No Response to Throttle

Posted on March 12, 2022

Probable Causes The probable root causes are listed in order below: • Diagnostic codes • Intake valve actuation system • Cold mode • Customer specified…

C15 Troubleshooting

C15 – Intermittent Low Power or Power Cutout

Posted on March 12, 2022

Probable Causes The probable root causes are listed in order below: • Diagnostic codes • Soft cruise control • Poor electrical connections • Battery power…

C15 Troubleshooting

C15 – Intermittent Cruise Control, Idle, or PTO Kickout

Posted on March 11, 2022

Probable Causes The probable root causes are listed below: • A clutch pedal position switch that is incorrectly adjusted • Malfunctioning On/Off switch for cruise…

C15 Troubleshooting

C15 – Excessive White Smoke

Posted on March 11, 2022

Probable Causes The probable root causes are listed in order below: • Normal operation • Fuel supply • Atmospheric pressure circuit • Coolant temperature circuit…

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