Multi-Module VIN Handshake Failure
Table of contents
B1A8A JEEP Possible Causes
- Faulty Radio Frequency Hub (RF Hub)
- Faulty Powertrain Control Module (PCM)
- Faulty Body Control Module (BCM)
- RF HUB, BCM OR PCM Not Programmed
How do I fix code B1A8A JEEP?
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.
Cost of diagnosing the B1A8A JEEP code
The cost of diagnosing the B1A8A JEEP code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B1A8A JEEP Description
The Radio Frequency Hub (RF Hub) receives and monitors the VIN messages from the Powertrain Control Module (PCM) and the Body Control Module (BCM). If the VIN is different from the last Vehicle Identification Number (VIN) it received, it will set this code. If the module was used on a previous vehicle, the VIN will be set to that vehicle.