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.
C0034-01Right front speed sensor - General electrical failure
C0034-29Right front speed sensor - Invalid signal
C0034-1DRight Front Wheel Speed Sensor-Circuit Current Out of Range
Manufacturer communications
17Original wording in English
FORD
This article supersedes TSB 21-2295 to update the Parts List. Some 2021 F-150 vehicles built on or before 14-June-2021 may exhibit a rubbing noise at the front of the vehicle while driving and/or diagnostic trouble codes (DTC) C0031 and/or C0034 in the anti-lock brake system (ABS) module. This may be caused by an incorrectly rou…
FORD
Some 2021 F-150 vehicles built on or before 14-June-2021 may exhibit a rubbing noise at the front of the vehicle while driving and/or diagnostic trouble codes (DTC) C0031 and/or C0034 in the anti-lock brake system (ABS) module. This may be caused by an incorrectly routed front brake flexible hose. To correct the condition, follo…
JEEP
Replacement of Front and Rear Wheel Speed Sensors Due to Oxidation or Water Intrusion Setting Diagnostic Trouble Codes (DTCs) This bulletin involves replacing all four wheel speed sensors due to oxidation or water intrusion into the sensor. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further in…
JEEP
Replacement of Front and Rear Wheel Speed Sensors Due to Oxidation or Water Intrusion Setting Diagnostic Trouble Codes (DTCs) This bulletin involves replacing all four wheel speed sensors due to oxidation or water intrusion into the sensor. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further in…
Check vehicle applicability
28A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Ford | ESCAPE ↗ | 2020 |
| Ford | EXPLORER ↗ | 2021 |
| Ford | EXPLORER ↗ | 2020 |
| Ford | F-150 ↗ | 2021 |
| Ford | TRANSIT ↗ | 2019 |
| Ford | TRANSIT ↗ | 2018 |
| Ford | TRANSIT ↗ | 2017 |
| Ford | TRANSIT ↗ | 2016 |
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.