eCall system Toyota: problems by model and engine

Documented faults, from most to least important

Severity × frequency. Below each one, the Toyota models it appears in.

- Medium severityFrequency: OccasionalToyota C-HR ISoftware fault that can leave the eCall emergency call system inoperativeA software error in the communications module (DCM) can prevent it from restarting after an abrupt shutdown, leaving the eCall emergency call system inoperative. Toyota fixes it by updating the software at an official service centre.
- Medium severityFrequency: OccasionalToyota Corolla XIISoftware fault that can disable the eCall emergency call systemA software error in the communications module (DCM) can stop it restarting after an abrupt shutdown, leaving the eCall emergency call system inoperative. Toyota fixes it by updating the software at an official service centre.
- Medium severityFrequency: OccasionalToyota Corolla CrossCommunication module (DCM) software fault: eCall may stop workingAn October 2023 alert (Toyota code 23SD-101) includes the Corolla Cross built between 20 June 2022 and 4 July 2023: an error in a software update can cause an abrupt reset, and the communication module (DCM) may not restart, so eCall cannot make an emergency call.
- Medium severityFrequency: OccasionalToyota Hilux VIIICommunications module (DCM) software fault: eCall may stop workingAn October 2023 alert (Toyota code 23SD-101) includes the Hilux built between September 2021 and June 2023: an error in a software update can cause a sudden reset, and the communications module (DCM) may not restart, so eCall cannot make an emergency call. The DVSA says it is corrected with an over-the-air software update.
- Medium severityFrequency: RareToyota Yaris CrossThe DCM module may not restart and leave the Yaris Cross without eCallA European alert from October 2023 records that a software update error can cause the communications module (DCM) of Yaris and Yaris Cross built between 2021 and 2023 to restart abruptly and fail to boot again: the eCall would not work.

By Toyota model

Open yours to see only the faults that affect it, by engine and by year.

Frequently asked questions

What faults with the eCall system do Toyota cars have?

In 5 models from Toyota there are 5 documented faults with the eCall system. The most important: software fault that can leave the eCall emergency call system inoperative, software fault that can disable the eCall emergency call system and communication module (DCM) software fault: eCall may stop working. Each fault has its own page with the affected years and versions, the symptoms and the repair cost.

Which Toyota models have the most problems with the eCall system?

Toyota Hilux VIII (1 fault), Toyota C-HR I (1 fault), Toyota Corolla XII (1 fault) and Toyota Yaris Cross (1 fault).