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.
DTC P16F2
DTC P16F2 : PCM Internal Circuit Malfunction (Starter Control Circuit Malfunction)
NOTE: Before you troubleshoot, review the general troubleshooting information .
| DTC Description | Confirmed DTC | Pending DTC | Freeze Frame |
|---|---|---|---|
| P16F2 PCM Internal Circuit Malfunction (Starter Control Circuit Malfunction) |
DTC (PGM-FI)
- Problem verification
-1. Turn the vehicle to the ON mode.
-2. Clear the DTC with the HDS.
-3. Start the engine.
-4. Check for Pending or Confirmed DTCs with the HDS.
DTC Description Confirmed DTC Pending DTC Freeze Frame P16F2 PCM Internal Circuit Malfunction (Starter Control Circuit Malfunction) Is DTC P16F2 indicated?
YES
The failure is duplicated. Update the PCM if it does not have the latest software, or replace the PCM , then recheck. If DTC P16F2 goes away and the PCM was updated, troubleshooting is complete. If DTC P16F2 goes away and the PCM was substituted, replace the original PCM .
NO
Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the PCM. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the freeze data/on-board snapshot .
NO RELATED
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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.