PowertrainP021800
CautionSeverity: Caution - get it checked when you can
Transmission oil temperature signal (from CAN) is invalid
Key terms: Oxygen sensor: measures oxygen in the exhaust gas · Mass air flow sensor: measures the air going into the engine · Powertrain: engine, transmission and emissions
1What it means in plain English
This code is in the powertrain range that covers fuel and air metering, over-temperature, overspeed and transmission over-temperature conditions.
2Common causes
- Dirty or faulty mass air flow sensor
- Vacuum or intake air leak
- Weak fuel pump or clogged fuel filter
- Faulty fuel injector
- Faulty oxygen sensor
- Wiring or connector fault
3Can I drive?
Watch for a transmission temperature warning or rough shifting. Stop safely and let the transmission cool if the warning is on or the transmission slips.
This page gives general information. It is not professional advice. For a definite diagnosis and a repair quote, ask a qualified mechanic to inspect the car.
4Brand data 3
| Brand | Code | Description | System |
|---|---|---|---|
| Mercedes-Benz | P021800 | No description available | Powertrain |
| Sprinter | P021800 | No description available | Powertrain |
| SsangYong | P021800 | Transmission oil temperature signal (from CAN) is invalid Brand | Powertrain |
Legend: SAE is the generic J2012 description; Brand is text taken from that manufacturer’s data. Manufacturer rows keep the wording and language of the source data, and non-English text is tagged so screen readers pronounce it correctly.
5Related codes
Browse Pxxx codes or P021xx codes.