Changes in height are instantaneous in the EAS ECU but the ECU won’t physically apply these changes immediately. In normal tolerance mode, the EAS ECU will adjust a corner when it’s +/- 10 mm or higher than the desired height. For example, if the corner is at +9 mm, the ECU will not correct the [...]
The rear sounder is a speaker connected directly to the PAM ECU There are 2 possible causes: The speaker itself can be defective There can be a wiring problem between the PAM ECU and speaker. Before replacing the speaker, one should confirm that it is not related to a wiring issue.
First, if there is a trailer hitch on the car, remove it. If the problem persist, further diagnosis is necessary. In most cases, the fault codes are sensor related. Several cases of cut or damaged wires in the bumper covers have also been reported. If all wires are in good condition, try to switch sensors [...]