Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
RKE Fob Battery Low
Monitored & Set Condition
- When Monitored: Anytime an RKE message is received from the transmitter.
- Set Condition: RKE receiver detects an RKE FOB battery low signal (less than 3 volts) for 5 consecutive button presses.
Possible Causes:
- Batteries Low
- Transmitter - Low Voltage Output
Testing
- To determine which transmitter set RKE FOB BATTERY LOW DTC, press any button on each transmitter. If no chime is heard in Body Control Module (BCM) when button is pressed, transmitter is okay. If chime is heard in BCM when button is pressed, check problem transmitter. Go to next step.
- Test voltage of each battery in problem transmitter. If voltage is more than 3 volts in both batteries, replace transmitter. See REMOTE KEYLESS ENTRY SYSTEMS - CONCORDE, INTREPID & 300M article. If voltage is 3 volts or less in either battery, replace battery.
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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