B0502 CHEVROLET - Open Or Short To Ground In The RH DRL Relay Control Circuit
B0502 CHEVROLET Possible Causes
- Faulty Right Daylight Running Lamp (DRL) Relay
- Right Daylight Running Lamp (DRL) Relay harness is open or shorted
- Right Daylight Running Lamp (DRL) Relay circuit poor electrical connection
- Faulty Body Control Module (BCM)
How do I fix code B0502 CHEVROLET?Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
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Cost of diagnosing the B0502 CHEVROLET code
Labor: 1.0The cost of diagnosing the B0502 CHEVROLET code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
- Engine Light ON (or Service Engine Soon Warning Light)
B0502 CHEVROLET DescriptionThe Body Control Module (BCM) provides control for the Right Daylight Running Lamp (DRL) relay circuit. The BCM grounds the RH DRL relay control circuit in order to energize the RH DRL relay and turn ON the RF turn signal. This allows the RF turn signal to be used for DRL and approach lighting functions. The BCM monitors the voltage level on the RH DRL relay control circuit. When the BCM commands the relay ON, the voltage level on the RH DRL relay control circuit should be low. When the relay is OFF, the voltage on the RH DRL relay control circuit should be high. If the BCM detects a voltage level other than expected, a malfunction is present and a Diagnostic Trouble Code (DTC) will set.
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