U1111 - FAULT CODE - OBD2

U1111 Code failures by brands

U1111 CHRYSLER, DODGE, JEEP, RAM: LOST ODOMETER MESSAGE

Description of DTC code U1111

The odometer, also known as an odometer, is a tool used to take readings of the distance the car travels. Depending on the manufacturer, the design of this tool can be electronic or mechanical, although it can also be a combination of the two and be electromechanical.

The U1111 OBD2 diagnostic code is stored when the Instrument Cluster reports through a CAN message that the Odometer signal is not available for more than 3 seconds, or the TCM (Transmission Control Module) has detected that the Odometer value has not changed after receiving a certain number of pulse signals from the Output Speed Sensor.

Symptoms of fault code U1111

Check Engine lamp illuminated.

Causes of OBD2 U1111

The U1111 OBDII fault code is set for the following reasons:

Instrument Cluster wires may be faulty.
The Instrument Cluster circuit may have bad connections.
The Instrument Cluster may have been damaged.
The Transmission Control Module may have deficiencies.

Possible solutions of the DTC code U1111

To resolve the DTC U1111 OBDII code consider the following:

As a first step, consult the Technical Service Bulletins.
Check that the cables and connections of the Instrument Cluster comply with the requirements for correct performance. Look for deficiencies due to wear, burns, or corrosion and if one of these conditions is detected, proceed with the corresponding adjustments.
Verify the integrity of the Instrument Cluster, taking into consideration the manufacturer's recommendations in the vehicle's information source. Make the necessary corrections.