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.
2021 Honda Insight EXFACTORY OEM SERVICE PROCEDURE
Possible Cause
NOTE:
The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
- Park position sensor PSEN2/SBW PPOS2 line open (includes a loose or disconnected connector)
- Park position sensor VCC/SBW VCC1 line open (includes a loose or disconnected connector)
- Park position sensor GND/SBW SG1 line open (includes a loose or disconnected connector)
- Park position sensor PSEN2/SBW PPOS2 line short to ground
- Park position sensor VCC/SBW VCC1 line short to ground
- SBW shifter assembly internal circuit failure
- Park position sensor internal circuit failure
Factory Service Tools
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.