Что означает ошибка

This DTC indicates Sensor 'pressure and temperature charge air': temperature sensor, measurement (short circuit to battery positive, open circuit). It belongs to the air path, EGR and turbocharging system group and is classified as voltage above normal, short to battery or high-source condition. Reference: code 1215.

Вероятные причины

• Boost/air leak in intake or charge-air system Sticking EGR valve or turbo actuator/geometry Restricted air filter or intake path Faulty MAF/MAP/IAT sensor data Damaged vacuum/pneumatic control lines Possible short to battery/high source Open or weak ground reference Incorrect reference voltage or harness damage

Что проверить сначала

• Confirm whether the DTC is active or stored and record freeze-frame data. Clear the DTC and repeat the operating conditions that triggered it. Inspect the related connector, pins and harness for damage, corrosion, moisture or poor pin tension. Compare the related live-data value with the expected value and with related sensors. Pressure-test the intake/charge-air system for leaks. Compare commanded and actual boost/EGR/airflow values.

Ведомая диагностика

1. Read all active and stored DTCs, freeze-frame data and related live-data parameters. Clear the fault memory and reproduce the complaint under the recorded operating conditions. Visually inspect the component, connector and harness
2. repair obvious damage before deeper testing. Measure power supply, ground and signal/reference voltage under load where applicable. Compare commanded versus actual values and perform actuator/service tests with OEM-level diagnostics. If wiring, power supply and related components test good but the DTC returns, follow the OEM pinpoint test for module/component replacement or software update.