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.
Diagnostic Aids
If DTC 43 is set, RKE transmitter is out of synchronization with BCM. This can be caused by one or more of the following:
- RKE transmitter buttons were pressed more than 256 times while out of BCM RF signal range.
- RKE transmitter buttons were pressed more than 10 times while out of BCM RF signal range after RKE transmitter battery was replaced.
- RKE transmitter RF signal was interrupted due to outside noise from surrounding environment.
- RKE transmitter is defective.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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