B1474 BUICK - Right Front/Passenger Exterior Door Handle Switch Circuit
B1474 BUICK Possible Causes
- Faulty Right Front/Passenger Exterior Door Handle Switch
- Right Front/Passenger Exterior Door Handle Switch harness is open or shorted
- Right Front/Passenger Exterior Door Handle Switch circuit poor electrical connection
- Faulty Passenger Door Module (PDM)
How is the B1474 BUICK code repair?Start by checking 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.
What is the cost to diagnose the B1474 BUICK code
Labor: 1.0The cost to diagnose the B1474 BUICK code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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- Engine Light ON (or Service Engine Soon Warning Light)
B1474 BUICK MeaningThe left front interior door handle, left front exterior door handle, right front interior door handle and right front exterior door handle switch signal circuits provide inputs to the Driver Door Module (DDM) or Passenger Door Module (PDM) when an interior or exterior door handle switch is activated. These inputs allow the door module to detect a door open request. The door modules provide voltage to the door handle switches. If the door module detects that a ground is applied for greater than 180 seconds, a DTC is set and the door module will ignore the door handle switch input. The Diagnostic Trouble Code (DTC) sets when the DDM or PDM detects a short to ground on an interior or exterior door handle switch signal circuit.
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