What causes P1128 on a Toyota?

Carbon-locked throttle plate Failed throttle motor Binding throttle shaft Foreign object in the throttle bore Motor circuit fault

How do I fix P1128 on a Toyota?

Inspect the throttle bore for obstruction Decarbonize the plate and bore thoroughly Test plate movement by hand Verify motor operation after cleaning Replace the throttle body if the motor has failed

P1128 Throttle Control Motor Lock Malfunction

Q: What does P1128 mean on a Toyota?

P1128 — Throttle Control Motor Lock Malfunction. Applies to Camry, Corolla, RAV4 with ETCS-i.

Category: Powertrain - Fuel/Air Metering
Severity: Check Engine Light
Applies to: Camry, Corolla, RAV4 with ETCS-i

What does P1128 mean on a Toyota?

P1128 — Throttle Control Motor Lock Malfunction. This Toyota-enhanced code applies to Camry, Corolla, RAV4 with ETCS-i.

Common causes of P1128

Carbon-locked throttle plate
Failed throttle motor
Binding throttle shaft
Foreign object in the throttle bore
Motor circuit fault

How to fix P1128

Inspect the throttle bore for obstruction
Decarbonize the plate and bore thoroughly
Test plate movement by hand
Verify motor operation after cleaning
Replace the throttle body if the motor has failed