C0273 · blink 13 – Open in ABS Motor Relay Circuit

System: ABS with BA & EBD
Dashboard light: ABS warning
Check-engine blink code: 13
Applies to: All E120 with ABS (BA & EBD)
Description: Open in ABS Motor Relay Circuit
Detection / symptoms: Detection: 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.
Possible causes: ABS motor relay; ABS motor relay circuit
What to 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)
Confidence: high (official Toyota RM821E)

From the factory service material. Clear the code and test-drive to confirm it returns. Search all fault codes · Common problems · Warning lights