DTC P0500-31: Vehicle Speed Sensor "A" No Signal [09/2022 - 09/2024]: Procedure

WARNING: This page is about a different car, the 2025 Toyota GR Corolla, 2024 Toyota GR Corolla, and 2023 Toyota GR Corolla. However, it is still accessible from the selected car via links, so may be relevant.

READ VALUE USING GTS (VEHICLE SPEED)

Enter the following menus.

Powertrain > Engine > Data List

Tester Display
Vehicle Speed

Drive the vehicle.

Read the value displayed on the GTS.

Result

Result	Proceed to
Values displayed on GTS and speedometer display not equal	A
Values displayed on GTS and speedometer display equal	B

Result:

CHECK FOR INTERMITTENT PROBLEMS

Refer to CHECK FOR INTERMITTENT PROBLEMS [09/2022 - ]

Result:

See step 2

CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - ECM)

Disconnect the combination meter assembly connector.
Disconnect the ECM connector.

Measure the resistance according to the value(s) in the table below.

Standard Resistance

Tester Connection	Condition	Specified Condition
I4-8(+S) - A139-42 (SPD)	Always	Below 1 Ω

Result

Proceed to
OK
NG

Result:

REPAIR OR REPLACE HARNESS OR CONNECTOR

Result:

See step 3

CHECK COMBINATION METER SYSTEM

Check the circuits that send vehicle speed signals to this system in the combination meter system.

Refer to Speed Signal Circuit [09/2022 - 11/2022] , or refer to Speed Signal Circuit [11/2022 - ]

Result

Proceed to
NEXT

Result:

See step 4

CLEAR DTC

Clear the DTCs.
Powertrain > Engine > Clear DTCs

Turn the ignition switch off and wait for at least 30 seconds.

Result

Proceed to
NEXT

Result:

See step 5

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED

Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.

Read the DTCs.

Powertrain > Engine > Trouble Codes

HINT:

If no DTCs (no pending DTCs) are output to the GTS, the repair has been successfully completed.

Result

Proceed to
NEXT

Result:

END