DTC 111

1993 Volvo 850 L5-2.4L VIN 55 B5254SSECTION DTC 111




EAA. Code 1-1-1

No fault recorded

The control module has been unable to detect any electrical faults in the transmission circuitry or in circuitry connected to the transmission.

Mechanical faults without diagnostic codes






Faults may be purely mechanical, and do not always affect transmission function. Such faults include oil leaks or faults in adjacent components in the drive system. The latter often appear as noises which sometimes occur when driving. The illustration below shows where the most common mechanical faults not revealed by diagnostic codes may be found.



Loud whining noise in gear position N or R (Car stationary with engine running.)






Grating noise in gear position N or R (Car stationary with engine running.)





Squeaking noise with gear selected. (Car stationary with engine running.)





Prominent knock or metallic noise in any gear other than 4th gear.





Oil leak when stationary





Oil leak when stationary and with engine running








RENDER: 1.0x

NO RELATED

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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.