Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Diagnostic Trouble Code (DTC) Information ICM-1F38
Condition
The diagnostic trouble code (DTC) is stored if the infotainment control module (ICM) registers that the temperature sensor in the display is not functioning correctly.
The function for warming up the display is switched off as long as the diagnostic trouble code (DTC) is stored. This means than the display will light slowly in cold conditions.
Substitute Value
- None.
Possible Source
- Damaged sensor.
Fault symptom[s]
- The display lights slowly.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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