OBD
P0489
EGR A Control Circuit Low
What it means
P0489 means EGR A Control Circuit Low.
Check these first
- A short to ground in the EGR A control circuit
- A failed EGR A control solenoid
- Corroded EGR A control wiring
- A faulty PCM driver
What to do next
- Check the EGR A control circuit for a short to ground
- Measure the EGR A solenoid resistance
- Inspect the EGR A control wiring and connector
- Replace the EGR A solenoid if the control circuit is shorted
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.