C0273 (blink 13) on Toyota Corolla E120: Open in ABS Motor Relay Circuit

Short answer: C0273 means “Open in ABS Motor Relay Circuit”. The car’s computer has found a fault in the ABS with BA & EBD system and turns on the ABS warning. First check: workshop check order (RM821E): INSPECT SKID CONTROL ECU CONNECTOR (+BM TERMINAL VOLTAGE) -> CHECK DTC ONCE MORE -> INSPECT CONTACT CONDITION (EACH CONNECTION) -> INSPECT FUSES (ABS No. 2).

Code

C0273 · blink 13

System

ABS with BA & EBD

Dashboard light

ABS warning

Applies to

All E120 with ABS (BA & EBD)

Confidence

high (official Toyota RM821E)

Source

toyotamanuals.gitlab.io

Symptoms and when it is set

1. With IG1 voltage 10V or below during initial check or ABS control, pump motor relay is turned ON, and relay contact is not ON for 0.2 sec. or longer. When pump motor relay is turned OFF, relay contact is ON for 3 sec. or longer.

Likely causes

1. ABS motor relay; ABS motor relay circuit

What to check, in order

1. Workshop check order (RM821E): INSPECT SKID CONTROL ECU CONNECTOR (+BM TERMINAL VOLTAGE) -> CHECK DTC ONCE MORE -> INSPECT CONTACT CONDITION (EACH CONNECTION) -> INSPECT FUSES (ABS No. 2)

Related on this car

• All fault codes for this car
• Warning lights
• Where the parts are (parts map)
• Common problems

Same code on other cars

• C0273 · Toyota Vitz (1st gen)
• C0273 on all cars compared

← C0256/24 C0274/14 →

Clearing the code does not fix the fault. If it comes back, the problem is still there. For brakes, airbags and steering, see a trained mechanic.