Start Button
Table of contents
B1A7D JEEP Possible Causes
- Faulty Ignition Switch
- Ignition Switch harness is open or shorted
- Ignition Switch circuit poor electrical connection
- Faulty Keyless Ignition Nod (KIN)
- Faulty Ignition Node Module (IGNM)
How do I fix code B1A7D 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.
Tech Notes
- B1A7D-01 START BUTTON GENERAL ELECTRICAL FAILURE
- B1A7D-2A START BUTTON STUCK
Cost of diagnosing the B1A7D JEEP code
The cost of diagnosing the B1A7D 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)
B1A7D JEEP Description
Any time the Start/Stop Button is pressed, the Radio Frequency Hub (RF Hub) will check the Security K Line Communication circuit and the Ignition Switch Sense circuit. It samples these circuits every 10ms. while the button is pressed. If these two circuits do not match, during a button press, this code will set or if the Security K Line Communication circuit and the Ignition Switch Position Signal circuit match, during a button press, but are On for longer than 25 seconds.