OBD U1102 MITSUBISHI

13.10.2024

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Code: U1102 - Antilock brake system (ABS)/traction control system (TCS), CAN data bus- time out

Error U1102 on Mitsubishi means that the control unit did not receive a response from the ABS or TCS system over the CAN bus (the vehicle's data exchange network). It's like in a group chat – someone stopped responding, and the system signals this.

U1102 most often appears on Mitsubishi Outlander, Lancer, Pajero, and ASX, especially if the vehicle has had electrical or battery issues.

Possible Causes of U1102 Error on Mitsubishi:

Short or break in the CAN bus wiring – due to moisture, corrosion, or mechanical damage.
ABS or TCS module failure – the module itself may fail or temporarily freeze.
Power issues – weak battery or unstable voltage can lead to communication failures.
Error after battery replacement – if the battery was recently removed, data exchange between modules may have been disrupted.
ABS sensor failure – a damaged or contaminated sensor can lead to a loss of communication.

How to Fix U1102 Error on Mitsubishi?

Turn off the ignition and wait 10–15 minutes – sometimes the system will restore the connection by itself.
Check the battery – if it's discharged or old, consider recharging or replacing it.
Inspect the CAN bus wiring, connectors, and fuses – look for corrosion or damage.
Reset the error with an OBD2 scanner – if the error doesn't return, it may have been a temporary glitch.
Check the ABS sensors – ensure they are not contaminated and are working correctly.
If nothing helps – diagnostic with a specialist to check the ABS/TCS module.

Conclusion

Error U1102 on Mitsubishi is a communication loss with the ABS or traction control system over the CAN bus. Most often, the problem is with the wiring, weak battery, or control unit failure. Start with a simple solution – reset the error, check the battery, and inspect the wiring.

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Comments on the article

Solution for error u1102 Mitsubishi in dtc-errors.com

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u1102 Mitsubishi diagnosis in a workshop

To identify and correct with greater precision the cause of the DTC in Mitsubishi, it is recommended to consult professionals at an automotive workshop. Qualified technicians have the expertise and tools necessary to perform a comprehensive diagnosis and the corresponding repair, which will help avoid further damage to your car. Do not ignore code u1102 in Mitsubishi, as it warns about a potential problem that could impact the performance and safety of your car. Seeking help promptly will give you the opportunity to maintain your automobile in good working condition and extend its lifespan.