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B1A75 Jeep Code - Passive Entry Antenna 5 General Electric Failure

- Code Popularity: 2,340 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B1A75 Jeep?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Passive Entry Antenna 5
  • Passive Entry Antenna 5 harness is open or shorted
  • Passive Entry Antenna 5 circuit poor electrical connection
  • Faulty Passive Entry Module (PEM)
  • Faulty Radio Frequency Hub (RF Hub) Module
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How to Fix the DTC B1A75 Jeep?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

B1A75-01 PASSIVE ENTRY ANTENNA 5 GENERAL ELECTRICAL FAILURE
B1A75-11 PASSIVE ENTRY ANTENNA 5 CIRCUIT SHORT TO GROUND
B1A75-12 PASSIVE ENTRY ANTENNA 5 CIRCUIT SHORT TO BATTERY
B1A75-13 PASSIVE ENTRY ANTENNA 5 CIRCUIT OPEN

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1A75 Jeep code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code B1A75 Jeep Description

The Passive Entry (PE) antenna units allow the transmitter within the Radio Frequency Hub (also known as the RF Hub) to communicate via Low Frequency (LF) radio transmission with a FOB with Integrated Key (FOBIK) that is located inside the vehicle or, at most, about 2 meters (6.5 feet) horizontally in all directions around the outside of the vehicle. The RF Hub uses communication through the antenna units to wake up and challenge a FOBIK that is within range in order to authenticate whether that FOBIK is valid (programmed) to the vehicle. The RF Hub communicates with the FOBIK using Frequency-Shift Keying (FSK) modulation.
Each antenna unit has two dedicated connections to the RF Hub. One connection is the LF antenna output circuit, while the other connection Is the LF antenna return circuit. These circuits to each antenna unit are a twisted pair to help reduce the potential for induced electrical interference. The RF Hub microcontroller monitors all of the antenna units and will store a Diagnostic Trouble Code (DTC) for any fault that it detects.
The hard wired inputs and outputs of the antenna units may be diagnosed using conventional diagnostic tools and procedures. Refer to the appropriate wiring information. However, the most reliable, efficient, and accurate means to diagnose the antenna units requires the use of a diagnostic scan tool. Refer to the appropriate diagnostic information.

OBDII Code B1A75 Jeep - Passive Entry Antenna 5 General Electric Failure - AutoCodes.com
B1A75 Jeep Code - Passive Entry Antenna 5 General Electric Failure

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