Toyota Camry (XV70): Left Rear Wheel Speed Sensor Signal Stuck Low (C050C23)

Toyota Camry Repair Manual XV70 (2018-2024) / Brake / Brake Control / Dynamic Control Systems / Vehicle Stability Control System (w/ Electric Parking Brake System) / Left Rear Wheel Speed Sensor Signal Stuck Low (C050C23)

DESCRIPTION

Refer to DTC C050C12

Click here

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
C050C23	Left Rear Wheel Speed Sensor Signal Stuck Low	When the vehicle is driven from 0 km/h to 12 km/h (0 mph to 7 mph), the wheel speed is 1.8 km/h (1.1 mph) or less for 0.6 seconds or more. When the wheel speed has not exceeded 1.8 km/h (1.1 mph), the vehicle speed reaches 18 km/h (11 mph). When the vehicle speed and wheel speed are both 43.2 km/h (26.8 mph) or more, the pulse signal is not detected for 0.08 seconds or more.	Rear speed sensor LH (rear axle hub and bearing assembly LH)1 Rear speed sensor LH2 speed sensor installation

*1: for 2WD

*2: for AWD

DTC Detection Conditions: C050C23

		Vehicle Condition
		Pattern 1	Pattern 2	Pattern 3
Diagnosis Condition	The vehicle is driven from 0 km/h to 12 km/h (0 mph to 7 mph).	○	-	-
	The vehicle speed reaches 18 km/h (11 mph).	-	○	-
	The vehicle speed and wheel speed are both 43.2 km/h (26.8 mph) or more.	-	-	○
Malfunction Status	The wheel speed is 1.8 km/h (1.1 mph) or less.	○	-	-
	The wheel speed has not exceeded 1.8 km/h (1.1 mph).	-	○	-
	The pulse signal is not detected.	-	-	○
Detection Time		0.6 seconds or more.	-	0.08 seconds or more.
Number of Trips		1 trip	1 trip	1 trip

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.

CAUTION / NOTICE / HINT

NOTICE:

After replacing or removing and installing a speed sensor, perform Dealer Mode (Signal Check) inspection to confirm that the speed sensors are operating correctly.
Click here

DTC precaution

Click here

Procedure to clear warning lights (When not clearing DTCs)

Procedure
Repair or replacement. Turn the ignition switch to ON. Drive the vehicle at 2 km/h (1 mph) or more to clear the warning lights.

PROCEDURE

1.	CHECK FREEZE FRAME DATA (WHEEL SPEED)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(d) Select a DTC to display the Freeze Frame Data.

(e) Read the freeze frame data of DTC C050C23.

Chassis > Brake

Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
FR Wheel Speed	Front wheel speed sensor RH reading	Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)	Vehicle stopped: 0.0 km/h (0.0 mph)	When driving at constant speed: No large fluctuations
FL Wheel Speed	Front wheel speed sensor LH reading	Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)	Vehicle stopped: 0.0 km/h (0.0 mph)	When driving at constant speed: No large fluctuations
RR Wheel Speed	Rear wheel speed sensor RH reading	Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)	Vehicle stopped: 0.0 km/h (0.0 mph)	When driving at constant speed: No large fluctuations
RL Wheel Speed	Rear wheel speed sensor LH reading	Min.: 0.0 km/h (0 mph), Max.: 6553.5 km/h (4072 mph)	Vehicle stopped: 0.0 km/h (0.0 mph)	When driving at constant speed: No large fluctuations

Chassis > Brake > DTC(C050C23) > Freeze Frame Data

Tester Display
FR Wheel Speed
FL Wheel Speed
RR Wheel Speed
RL Wheel Speed

Result	Proceed to
The value of RL Wheel Speed is 2 km/h (1 mph) or less when all other values are 12 km/h (7 mph) or more.	A
The value of RL Wheel Speed is 2 km/h (1 mph) or less when all other values are 43 km/h (27 mph) or more. (for 2WD)	B
The value of RL Wheel Speed is 2 km/h (1 mph) or less when all other values are 43 km/h (27 mph) or more. (for AWD)	C

REPLACE REAR AXLE HUB AND BEARING ASSEMBLY LH

GO TO STEP 3

2.	READ VALUE USING TECHSTREAM (RL WHEEL SPEED)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

Chassis > Brake > Data List

Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
RL Wheel Speed	Rear wheel speed sensor LH reading	Min.: 0.0 km/h (0.0 mph), Max.: 6553.5 km/h (4072 mph)	Vehicle stopped: 0.0 km/h (0.0 mph)	When driving at constant speed: No large fluctuations

Chassis > Brake > Data List

Tester Display
RL Wheel Speed

(d) Start the engine and perform a road test.

(e) Check that the value of RL Wheel Speed changes in accordance with vehicle speed when accelerating from 0 km/h to 20 km/h (0 mph to 12 mph).

OK:

The value of RL Wheel Speed changes in accordance with vehicle speed.

HINT:

If the result of the road test is within the specified range, it is possible that this DTC was stored due to a particular situation such as brake drag, wheelspin or wheel lockup.

Result	Proceed to
OK	A
NG (for 2WD)	B
NG (for AWD)	C

USE SIMULATION METHOD TO CHECK

REPLACE REAR AXLE HUB AND BEARING ASSEMBLY LH

GO TO STEP 3

3.	CHECK REAR SPEED SENSOR LH INSTALLATION

(a) Check the rear speed sensor LH installation.

OK:

There is no clearance between the rear speed sensor LH and the rear axle carrier LH.

The installation bolt is tightened properly.

Torque

8.5 N*m (87 kgf*cm, 75 in.*lbf)

*1	Rear Speed Sensor LH
*a	Correct
*b	Incorrect
*c	8.5 N*m
*d	No clearance

REPLACE REAR SPEED SENSOR LH

REINSTALL OR REPLACE REAR SPEED SENSOR LH

SEE MORE:

Components

COMPONENTS ILLUSTRATION *A for Front Passenger Side *B for Driver Side *C w/o Courtesy Light *D w/ Courtesy Light *1 COURTESY LIGHT ASSEMBLY *2 FRONT ARMREST ASSEMBLY *3 FRONT DOOR ARMREST COVER SUB-ASSEMBLY *4 FRONT DOOR LOWE

FL Speed Sensor Wrong Installation (X0451)

DESCRIPTION Code Tester Display Measurement Item Trouble Area X0451 FL Speed Sensor Wrong Installation History of front speed sensor LH being installed incorrectly Front speed sensor LH PROCEDURE 1. CHECK FOR DTCs (HEALTH CHECK) (a) Perform the H

Toyota Camry (XV70): Left Rear Wheel Speed Sensor Signal Stuck Low (C050C23)

READ NEXT:

Left Rear Wheel Speed Sensor Signal Stuck High (C050C24)

Left Rear Wheel Speed Sensor Internal Electronic Failure (C050C49)

Right Rear Wheel Speed Sensor Circuit Short to Battery (C051212)

SEE MORE:

Components

FL Speed Sensor Wrong Installation (X0451)