BodyB0021
CautionSeverity: Caution - get it checked when you can
Left Curtain Deployment Control 1
Key terms: Control module: a small computer that runs one part of the car · SAE J2012: the standard generic code list
1What it means in plain English
A body system has a fault. Depending on the make, this range can include airbags and seat belts, windows, locks and climate control, and also charging, brake, oil or coolant sensors.
2Common causes
- Wiring or connector fault
- Faulty sensor or switch
- Water or corrosion in a connector
- Control module fault
- Low battery voltage
3Can I drive?
The airbag may not deploy in a crash. Have it checked by a qualified technician; do not work on airbag wiring yourself.
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 32
| Brand | Code | Description | System |
|---|---|---|---|
| Ashok Leyland CV | B0021 | Coolant Fluid. Flow Control Valve. Position Sensor. High Signal Brand | Body |
| BAIC Motor | B0021 | Left Curtain Deployment Control 1 Brand | Body |
| Mercedes-Benz | B0021 | Left Curtain Deployment Control 1 SAE | Body |
| BYD | B0021 | Left Curtain Deployment Control 1 Brand | Body |
| Chery | B0021 | Left side curtain airbag Brand | Body |
| Daewoo | B0021 | Left Curtain Deployment Control 1 Brand | Body |
| DFFS | B0021 | Left Curtain Deployment Control 1 Brand | Body |
| DFFX | B0021 | Left Curtain Deployment Control 1 Brand | Body |
| DFXK | B0021 | Left Curtain Deployment Control 1 Brand | Body |
| EOBD | B0021 | Kontrol penayangan tirai kiri 1 Brand | Body |
| Geely | B0021 | Left Curtain Deployment Control 1 Brand | Body |
| GM | B0021 | Left Curtain Deployment Control 1 SAE | Body |
| Great Wall | B0021 | Left Curtain Deployment Control 1 Brand | Body |
| Hafei | B0021 | Left Curtain Deployment Control 1 Brand | Body |
| Holden | B0021 | Left Roof Rail Air Bag Deployment Loop Brand | Body |
| Honda | B0021 | Left Curtain Deployment Control 1 SAE | Body |
| Hyundai | B0021 | Left Curtain Deployment Control 1 SAE | Body |
| Isuzu | B0021 | Left Curtain Deployment Control 1 SAE | Body |
| Land Rover | B0021 | Left curtain deployment control 1 Brand | Body |
| Maserati | B0021 | Left Curtain Deployment Squib 1-Component or System Operating Conditions Brand | Body |
| Mitsubishi | B0021 | Left Curtain Deployment Control 1 SAE | Body |
| Opel | B0021 | Left Curtain Deployment Control 1 SAE | Body |
| Peugeot | B0021 | Left Curtain Deployment Control 1 SAE | Body |
| Proton | B0021 | Left Curtain Deployment Control 1 SAE | Body |
| Saab | B0021 | SIR 21 Atual Brand | Body |
| MG (SAIC) | B0021 | Left Solar Sensor Fault Brand | Body |
| Smart | B0021 | Left Curtain Deployment Control 1 SAE | Body |
| Sprinter | B0021 | Left Curtain Deployment Control 1 SAE | Body |
| Suzuki | B0021 | CURTAIN A/B MODULE LH Brand | Body |
| SWM Motor | B0021 | Driver seat belt pretensioner igniter is grounded Brand | Body |
| Tata | B0021 | Left Curtain Deployment Control 1 SAE | Body |
| Toyota | B0021 | Left curtain airbag circuit failure Brand | Body |
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 Bxxx codes or B002xx codes.