P1438
Manufacturer-specific fault code
This code has different meanings depending on the manufacturer. Select your vehicle make below to view specific diagnosis and solutions:
Code breakdown
P — System
Powertrain (engine, transmission, fuel & emissions)
1 — Type
Manufacturer-specific
4 — Subsystem
Auxiliary emission controls
Manufacturer-specific meanings
- Campo/prestazioni circuito temperatura aria evaporatore A/C
- Purge Control Valve Control Open Circuit
Related codes
- P1400 — Manufacturer-specific fault code
- P1400-bmw — Heated Catalyst Battery Voltage or Current Too Low During Heating Bank 1
- P1400-fiat — Input basso circuito EGR ritorno pressione differenziale o comando posizione valvola ricircolo gas di scarico
- P1400-ford — Differential Pressure Feedback Electronic Sensor Circuit Low Voltage
- P1400-jaguar — Exhaust Gas Recirculation Valve Postion Control
- P1400-lexus — Sub-TP Sensor Malfunction