Toyota2018–2022

Aygo 1.0 VVTi: Common faults & known problems

Common faults & known problems

3 known faults documented in workshop bulletins. Of these, one concerns the electrical and ignition and one the body and trim. Symptoms, causes, repair steps and part numbers are shown where supplied.

Technical specifications

Electrical & ignition

1 documented fault — symptoms, causes and workshop fixes.

Condensation in rear lamps

Affects All models, →2018.

Cause

Poor manufacture of rear lamps.

Repair

Replace rear lamps as required.

Parts4 parts

Parts listed in the bulletin
Part	Part number	Qty
RH rear lamp (LHD)	81551-0H250	1
LH rear lamp (LHD)	81561-0H250	1
RH rear lamp (RHD)	81551-0H250	1
LH rear lamp (RHD)	81561-0H260	1

Data: Motorwise Workshop. Bulletin 1.

Body & trim

1 documented fault — symptoms, causes and workshop fixes.

Abnormal noise when opening/closing front doors

Affects All models, →2018.Fit modified part

Cause

Front door check strap retaining bolt loose.

Repair

Fit modified door check strap retaining bolt.

Parts1 part

Parts listed in the bulletin
Part	Part number	Qty
Retaining bolt	90119-W0230	As required

Data: Motorwise Workshop. Bulletin 2.

Other

1 documented fault — symptoms, causes and workshop fixes.

Bluetooth intermittent operation or not working in high ambient air temperatures

Overview

Affects: All models.
Remedy: Software update

Cause

Audio unit software fault.

Repair

Carry out electrical, mechanical and component tests (as applicable) to eliminate any other possible cause(s).
If no fault(s) found: Re-program audio unit with upgraded software. Note: To carry out an effective repair a software upgrade will be required - refer to manufacturer.

Data: Motorwise Workshop. Bulletin 3.

Glossary

Technical terms used in this guide.

Re-Program: Update the software on a control module using the manufacturer's diagnostic tool

Frequently asked questions

What are the common faults with the Toyota Aygo 1.0 VVTi?

This guide contains three workshop bulletins for the Toyota Aygo 1.0 VVTi. Of these, one concerns the electrical and ignition and one the body and trim. Symptoms, causes, repair steps and part numbers are shown where supplied.

Does every Toyota Aygo 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 1.0 VVTi faults myself?

Many of them. The documented symptoms can be seen, heard or felt during a test drive.