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.
Code EO47, ECM-BCM Data
Check for momentary loss of BCM's 7 volts (circuit 807A and 807B), ignition #3 (circuit 750C), CPS wake-up (circuit 555), PROM. Reference charts B8, B9 and B10. If Code EO47 is set, along with any of the following codes set as "HISTORY": B334, B335, B336, B337, B552, OR B553, see "MULTIPLE INTERMITTENT CODES" chart.
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:
- • 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.