Body & trim
1 documented fault — symptoms, causes and workshop fixes.
Warning message 'Pre-Collision System Unavailable' displayed in instrument panel
Front view camera control module software fault. Fix: re-program with updated software.
Overview
- Affects
- All models with front view camera.
- Remedy
- Software update
Symptoms
Trouble code stored in front view camera control module fault memory: C1A94.
Repair steps
- Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
- If no fault(s) found: Re-program front view camera control module with upgraded software.
- Erase any stored trouble codes. Note: To carry out an effective repair a software upgrade will be required - refer to manufacturer.
Data: Motorwise Workshop. Bulletin 1.
Glossary
Technical terms used in this guide.
- Trouble Codes
- Standardised fault codes stored by the engine control module, read with a diagnostic tool
- Control Module
- A control unit for one of the vehicle's systems (engine, gearbox, brakes, body, and so on)
- Fault Memory
- The list of stored trouble codes in a control module
- Re-Program
- Update the software on a control module using the manufacturer's diagnostic tool
- Trouble Code
- A standardised fault code stored by a control module, read with a diagnostic tool
Frequently asked questions
What are the common faults with the Toyota Aygo X 1.0 VVTi?
This guide contains one workshop bulletin for the Toyota Aygo X 1.0 VVTi. Of these, one concerns the body and trim. Symptoms, causes, repair steps and part numbers are shown where supplied.
Does every Toyota Aygo X 1.0 VVTi have these faults?
No. These are patterns documented across the model by workshops, not predictions for an individual vehicle. Where a fault applies only to certain vehicles or VIN ranges, that is listed with the fault.
Can I check for Toyota Aygo X 1.0 VVTi faults myself?
Many of them. The documented symptoms can be seen, heard or felt during a test drive.