B0021 - Left Curtain Deployment Control 1
B0021 is a generic body diagnostic trouble code indicating Left Curtain Deployment Control 1. It relates to the System-Specific system.
DTC Breakdown (SAE J2012)
| System | Body (B) |
| Type | Generic |
| Subsystem | System-Specific |
| Fault Index | 21 |
| Standard | SAE J2012 / ISO 15031-6 |
What does diagnostic code B0021 mean?
The dtc/">diagnostic trouble code B0021 represents Left Curtain Deployment Control 1. This standard generic code points to a monitored fault condition in the vehicle's Body network.
Detailed diagnostic guides and specific fix procedures for code B0021 are currently being compiled. Always verify check engine warnings with a qualified mechanic.
Frequently Asked Questions about B0021
What does B0021 mean?
The diagnostic trouble code B0021 represents Left Curtain Deployment Control 1. This standard generic code points to a monitored fault condition in the vehicle's Body network.
What is the system for B0021?
The B0021 code is located in the vehicle's Body network.