2021 Toyota C-HR service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications, torque values, and reference data
- Electrical diagnostics with full wiring diagrams
- Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
- Diagnostic trouble codes and troubleshooting flow
- Maintenance schedules and fluid capacities
Trims covered
- LE
- Limited
- Nightshade
- XLE
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Maintenance & Lubrication
- Specifications
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Diagnostic Trouble Codes
- Technical Service Bulletins
- Wiring Diagrams
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2021 C-HR vehicles. The radar sensor may not have been activated during production, making the pre-collision system (PCS) inoper
An inoperative PCS that does not provide a malfunction indicator to the driver, or braking assist as
Dealers will inspect and activate the radar sensor as necessary, free of charge. Owner notification
OBSOLETE NOTICE January 30, 2026: This bulletin is now obsolete. Please see T-SB-0001-26.
Some 2018 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software.
Some 2005 2026 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purpose of this Servic
To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be u
To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be u
Some 2018 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software. The SST is used with app
Some 2018 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software. The SST is used with app
The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. If these contaminants settle and remain on a painted vehicl
Showing the 8 most recent of 106 technical service bulletins on file with NHTSA.
The contact owned a 2021 Toyota C-HR. The contact stated that while driving at 65 MPH, she collided with a deer attempting to cross the freeway. The contact stated that the collision was the result of
The contact owns a 2021 Toyota C-HR. The contact stated while driving 35 mph, while depressing the brake pedal the failed to stop and the vehicle and crashed into a brick mailbox. The contact stated n
The contact owns a 2021 Toyota C-HR. The contact stated while driving 35 mph, while depressing the brake pedal the failed to stop and the vehicle and crashed into a brick mailbox. The contact stated n
The contact owns a 2021 Toyota C-HR. The contact stated while driving 35 mph, while depressing the brake pedal the failed to stop and the vehicle and crashed into a brick mailbox. The contact stated n
THE INCIDENT HAPPENED ON THE 9TH OF APRIL 2021 AT 06:45AM ON OUR COMPANY'S CAR PARK, THIRD LEVEL. AS I WAS PARKING THE TOYOTA CHR, I'M FULLY AWARE THAT I'M JUST LIGHTLY STEPPING ON THE GAS LIKE WHAT I
Showing the 5 most serious of 42 complaints filed with NHTSA.
