Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer communications
1Original wording in English
TOYOTA
TSB: Some 2016 ? 2018 model year Tacoma vehicles may exhibit a Blind Spot Monitor System Warning message with any of the following Diagnostic Trouble Codes (DTCs) present. ? U0232 ? Lost Communication with Blind Spot Monitor Slave Module ? U0233 ? Lost Communication with Blind Spot Monitor Master Module ? C1AC1 ? Master Module H…
Check vehicle applicability
3A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.