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.
PCM (Customer Supplied Only One Valid Key)
2001 Honda Odyssey LXSECTION PCM (Customer Supplied Only One Valid Key)
- Cut new transponder equipped key(s), if necessary. Replace PCM. Using new 1st key, turn ignition to ON position. SECURITY light should illuminate for 1-2 seconds. Turn new 1st key to LOCK position.
- Using new 2nd key, turn ignition to ON position, then LOCK position 6 times. Ensure 6th turning is done within one second. SECURITY light should be flashing at a 300 millisecond interval. Wait about 5 minutes until SECURITY light flashing has decreased to a 1.2 second interval.
- Input code word. See INPUTTING CODE WORD . SECURITY light should stop flashing and stay illuminated. Using new 2nd key, turn ignition to ON position. SECURITY light should illuminate for 1-2 seconds. Turn new 2nd key to LOCK position and remove key.
- Using valid key, start engine. SECURITY light should illuminate for 1-2 seconds and engine should continue to run. Turn valid key to LOCK position and remove key.
- Repeat step 4 with each new key, up to 8 keys total. Wait 30 seconds, program will quit automatically. After reprogramming is complete, clear DTCs with New Generation Star (NGS) tester.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.