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 – 0084-02 Vehicle Speed signal invalid (36)

Posted on March 14, 2022

Conditions Which Generate This Code: The ECM detects the following conditions: • The vehicle speed signal indicates a constant MPH. • Engine speed is greater…

C15 Troubleshooting

C15 – 0084-01 Vehicle Speed loss of signal (31)

Posted on March 14, 2022

Conditions Which Generate This Code: The ECM detects the following conditions: • The vehicle speed signal indicates that the vehicle speed is 0 MPH. •…

C15 Troubleshooting

C15 – 0084-00 Vehicle Overspeed Warning (41)

Posted on March 14, 2022

Conditions Which Generate This Code: The ECM detects one of the following conditions: • The “Soft Vehicle Speed Limit” parameter is programmed to “No” and…

C15 Troubleshooting

C15 – 0071-14 PTO Shutdown (47)

Posted on March 14, 2022

Conditions Which Generate This Code: The ECM detects the following conditions: • The timer for the PTO has expired and the engine has shut down.…

C15 Troubleshooting

C15 – 0071-01 Idle Shutdown (47)

Posted on March 14, 2022

Conditions Which Generate This Code: The ECM detects the following conditions: • The idle shutdown timer has expired and the engine has shut down. •…

C15 Troubleshooting

C15 – 0071-00 Idle Shutdown Override (01)

Posted on March 14, 2022March 14, 2022

Conditions Which Generate This Code: The ECM detects one of the following conditions: • The “Allow Idle Shutdown Override” parameter is programmed to “Yes” and…

C15 Troubleshooting

C15 – 0071-00 Idle Shutdown Override (01)

Posted on March 14, 2022

Conditions Which Generate This Code: The ECM detects one of the following conditions: • The “Allow Idle Shutdown Override” parameter is programmed to “Yes” and…

C15 Troubleshooting

C15 – 0064-08 Secondary Engine Speed loss of signal (34)

Posted on March 14, 2022

Conditions Which Generate This Code: The Engine Control Module (ECM) detects the following conditions: • The signal from the secondary engine speed/timing sensor has been…

C15 Troubleshooting

C15 – 0055-06 Auxiliary Output #07 current high (67)

Posted on March 14, 2022

Conditions Which Generate This Code: The ECM detects the following conditions: • There is a high current condition (short circuit) in the circuit for the…

C15 Troubleshooting

C15 – 0055-05 Auxiliary Output #07 current low (67)

Posted on March 14, 2022

Conditions Which Generate This Code: The ECM detects the following conditions: • There is a low current condition (open circuit) in the circuit for the…

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