Diesel Engine Troubleshooting

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Author: Jack

Hello, I'm Jack, a diesel engine fan and a blogger. I write about how to fix and improve diesel engines, from cars to trucks to generators. I also review the newest models and innovations in the diesel market. If you are interested in learning more about diesel engines, check out my blog and leave your feedback.
C15 Troubleshooting

C15 – 0246-11 Brake Pedal Switch #1 Fault

Posted on March 14, 2022

Conditions Which Generate This Code: The ECM detects the following conditions: • The status of the service brake pedal position switch 1 and the service…

C15 Troubleshooting

C15 – 0232-04 5 Volt Supply voltage low (21)

Posted on March 14, 2022

Conditions Which Generate This Code: The ECM detects the following conditions: • The 5 volt supply is less than 4.84 VDC for more than one…

C15 Troubleshooting

C15 – 0232-03 5 Volt Supply voltage high (21)

Posted on March 14, 2022

Conditions Which Generate This Code: The ECM detects the following conditions: • The 5 volt supply is greater than 5.16 VDC for more than one…

C15 Troubleshooting

C15 – 0231-12 J1939 Device Not Responding

Posted on March 14, 2022

Conditions Which Generate This Code: This condition indicates that the J1939 data link has a short circuit or an open circuit. All of the following…

C15 Troubleshooting

C15 – 0231-02 J1939 Data Incorrect (58)

Posted on March 14, 2022

Conditions Which Generate This Code: The ECM detects the following condition: • The parameter “Powertrain Data Link” must be programmed to J1939. The ECM also…

C15 Troubleshooting

C15 – 0224-14 Theft Deterrent Active with Engine Cranking (00)

Posted on March 14, 2022

Conditions Which Generate This Code: The ECM detects the following conditions: • The engine is cranking. • The theft deterrent is active. System Response: The…

C15 Troubleshooting

C15 – 0224-11 Theft Deterrent Active (00)

Posted on March 14, 2022

Conditions Which Generate This Code: The theft deterrent feature has been enabled. The correct password must be entered in order to disable the theft deterrent.…

C15 Troubleshooting

C15 – 0191-07 Transmission Not Responding (68)

Posted on March 14, 2022

Conditions Which Generate This Code: The ECM detects the following conditions: • Three attempts to complete an Eaton Top 2 shift were unsuccessful. • The…

C15 Troubleshooting

C15 – 0190-08 Primary Engine Speed Loss of Signal (34)

Posted on March 14, 2022

Conditions Which Generate This Code: The ECM detects the following conditions: • The signal from the primary engine speed/timing sensor has been lost and the…

C15 Troubleshooting

C15 – 0190-00 Engine Overspeed Warning (35)

Posted on March 14, 2022

Conditions Which Generate This Code: The Engine Control Module (ECM) detects the following conditions: • The engine speed exceeded 2600 rpm for more than 0.6…

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