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2014 Genesis 5.0 R-spec. ABS, ESC warning lights come on when starting the car. EPB AND AUTO HOLD warning lights come on between 5-10 mph. Car operates fine minus no ABS assisted braking. Diagnostic codes are C1204 C1203 C1205 C1652. Was intermittent when lights first came on, then off, then stayed on. Any troubleshooting would be greatly appreaciated.
 

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Drives : Nissan NV200 Flies : Rans S6ES
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Any troubleshooting would be greatly appreaciated.
Your codes suggest a problem with the front right hand wheel speed sensor circuit. Unfortunately, there isn't really much troubleshooting you can do DIY. Your really limited to a visual inspection of the sensor and it's tone wheel unless you have access to an oscilloscope. You might try disconnecting the sensor and connect a voltmeter across the two terminals of the sensors harness connector to see if there is voltage at the sensor when the ignition is on. If there is voltage present you can be pretty confident the wiring is OK between the ABS ECU and the sensor, meaning there's a pretty good chance the sensor itself is faulty.
 
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