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 wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
C1234ANTI-LOCK BRAKE SENSOR OUTPUT FAILURE
C1234ANTI-LOCK BRAKE SENSOR OUTPUT FAILURES
C1234YAW RATE SENSOR
Manufacturer communications
14Original wording in English
TOYOTA
TSB: Some 2001 ? 2002 model year Sequoia vehicles may exhibit intermittent VSC activation. After the activation, Diagnostic Trouble Code (DTC) C1234 is stored in the skid control Electronic Control Unit (ECU) memory. Follow the Repair Procedure in this bulletin to address this condition. NOTE ? This Service Bulletin is ONLY appl…
MAZDA
ABS WARNING LIGHT ON WITH DTC C1141, C1142, C1233, OR C1234/GRINDING NOISE FROM THE FRONT WHEELS. *KB
FORD
ABS DTC C1233 AND C1234 REVERSED IN ABS MODULE. *EH
TOYOTA
DIAGNOSTIC TROUBLE CODE (DTC) C1234 - YAW RATE SENSOR. *TT
Check vehicle applicability
32A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Chevrolet | IMPALA ↗ | 2005 |
| Chevrolet | IMPALA ↗ | 2004 |
| Chevrolet | MONTE CARLO ↗ | 2005 |
| Chevrolet | MONTE CARLO ↗ | 2004 |
| Ford | EXPLORER SPORT ↗ | 2003 |
| Ford | EXPLORER SPORT ↗ | 2002 |
| Ford | EXPLORER SPORT ↗ | 2001 |
| Ford | EXPLORER SPORT ↗ | 2000 |
Code meaning and manufacturer information
Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.
Speed Wheel RF Input Signal Missing
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.