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 – 0174-04 Fuel Temperature voltage low (13)

Posted on March 14, 2022

Conditions Which Generate This Code: The ECM detects the following conditions: • The signal voltage from the fuel temperature sensor is less than 0.2 VDC…

C15 Troubleshooting

C15 – 0174-03 Fuel Temperature voltage high (13)

Posted on March 14, 2022March 14, 2022

Conditions Which Generate This Code: The ECM detects the following conditions: • The signal voltage from the fuel temperature sensor is greater than 4.9 VDC…

C15 Troubleshooting

C15 – 0174-00 High Fuel Temperature Warning (65)

Posted on March 14, 2022

Conditions Which Generate This Code: The ECM detects the following conditions: • The fuel temperature is above 90 C (194 F) for more than 30…

C15 Troubleshooting

C15 – 0171-11 Ambient Air Temperature Data Lost

Posted on March 14, 2022

Conditions Which Generate This Code: The ECM detects the following conditions: • The ECM is not receiving information about the ambient air temperature from the…

C15 Troubleshooting

C15 – 0171-04 Ambient Air Temperature voltage low

Posted on March 14, 2022

Conditions Which Generate This Code: The ECM detects the following conditions: • The signal voltage from the ambient air temperature sensor is less than 0.2…

C15 Troubleshooting

C15 – 0171-03 Ambient Air Temperature voltage high

Posted on March 14, 2022

Conditions Which Generate This Code: The ECM detects the following conditions: • The signal voltage from the ambient air temperature sensor is greater than 4.92…

C15 Troubleshooting

C15 – 0168-02 ECM Battery Power Intermittent (51)

Posted on March 14, 2022

Conditions Which Generate This Code: This condition indicates that the battery circuit to the ECM has a battery condition that is intermittent while the engine…

C15 Troubleshooting

C15 – 0168-01 Low ECM Battery Power (17)

Posted on March 14, 2022

Conditions Which Generate This Code: The ECM detects the following conditions: • The battery voltage to the ECM is less than 9.0 VDC for 12…

C15 Troubleshooting

C15 – 0166-14 Rated Engine Power Special Instructions

Posted on March 14, 2022

Conditions Which Generate This Code: The ECM detects the following conditions: • The engine coolant temperature is at least 103 C (217.4 F) for more…

C15 Troubleshooting

C15 – 0122-06 Med/High Retarder current high (14)

Posted on March 14, 2022

Conditions Which Generate This Code: The Engine Control Module (ECM) detects the following conditions: • The ECM detects a high current condition (short circuit) for…

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