Jaguar & Land Rover dashboard guide
Amber warningSystem: Brakes & Stability
Can you keep driving? Drive cautiously; stop if braking changes or a red brake warning appears.
Warning interpretation
What “ABS Fault” means
Anti-lock braking assistance is unavailable or reduced.
The wording identifies an affected system or condition, but not necessarily the failed part. Low voltage or a communication interruption can also create several warnings at once.
Driving decision
How urgent is this warning?
High
Drive cautiously; stop if braking changes or a red brake warning appears. Record the exact wording and colour before switching the ignition off. Stop safely if braking, steering or vehicle behaviour changes, temperature rises, or there is smoke, a burning smell or fluid loss.
Driver experience
Common symptoms
ABS/DSC/HDC warnings; speedometer issue; altered brake feel.
Test, do not guess
Likely causes
Wheel-speed sensor, bearing encoder, wiring, voltage, hydraulic unit or CAN.
Preserve the evidence
What to check now
- Photograph the message and every illuminated symbol.
- Note what happened immediately before it appeared.
- Check for obvious leaks, unusual noises, heat or changed vehicle behaviour.
- Do not disconnect the battery or clear codes before diagnostic evidence is saved.
- Follow the model-specific safety instructions in the vehicle handbook.
Scan context
Related diagnostic trouble codes
C0031-14, U0121-87, U0416-68
These are relevant code families, not a diagnosis. A proper scan should read every module and retain the complete suffix, freeze-frame information and reporting module.
Evidence-led checks
Recommended diagnostic route
Use the exact warning, a complete vehicle scan and model-specific technical information to plan testing.
- Capture the evidenceSave the warning, full scan, code suffixes and freeze-frame data.
- Prove the basicsTest battery condition, charging voltage, power supplies and grounds.
- Identify the reporterConfirm which module logged each related code.
- Compare live dataReview commanded and actual values under the conditions that set the warning.
- Test before replacingCheck wiring, connectors and component operation with JLR information.
- Verify the repairClear codes only after recording evidence, then confirm the warning does not return.
Model-specific advice
Confirm it against the vehicle
Exact wording, colour and behaviour vary by Jaguar and Land Rover model and year. Always use the handbook supplied with the vehicle and model-specific diagnostic information.
Confirm the reporting module, full code suffixes, vehicle details and live data before replacing a component.