OBD-II code · manufacturer-specific
P1303
IDM Failure
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P1303 mean?
P1303 is defined as “IDM Failure”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Acura, Honda, Infiniti: Cylinder 3 Misfire
- Ford, Lincoln, Mercury: EGR Calibration Fault
Related codes
- P1304Cylinder Head Overtemperature Protection Active
- P1301Multi-faults - Bank 2 - With Low Side Shorts
- P1300Multi-faults - Bank 1 - With Low Side Shorts
- P12BFECU Torque Monitoring - Not Plausible Signal
- P1310Igniter Circuit Malfunction No 3
- P1311Ignition control module (ICM) ignition coil secondary coil signal, circuit 1
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.