Acura TLX Trouble Codes, Symptoms & Recalls
Reviewed by the Wrenchit.ai editorial team · Last reviewed · Editorial standards
Common check engine codes on the Acura TLX
- P0420 — Catalyst System Efficiency Below Threshold (Bank 1)
- P0300 — Random/Multiple Cylinder Misfire Detected
- P0171 — System Too Lean (Bank 1)
- P0442 — Evaporative Emission System Small Leak Detected
- P0455 — Evaporative Emission System Large Leak Detected
- P0128 — Coolant Temperature Below Thermostat Regulating Temperature
- P0401 — EGR Insufficient Flow Detected
- P0440 — Evaporative Emission Control System Malfunction
- P0301 — Cylinder 1 Misfire Detected
- P0174 — System Too Lean (Bank 2)
Common Acura TLX symptoms
- Acura TLX car shaking when braking
- Acura TLX brakes squealing when stopping
- Acura TLX check engine light on
- Acura TLX car won't start
- Acura TLX car overheating
- Acura TLX car loses power when accelerating
- Acura TLX car running or idling rough
- Acura TLX white smoke from exhaust
- Acura TLX blue smoke from exhaust
- Acura TLX battery light on while driving
- Acura TLX car pulls to one side
- Acura TLX car ac not blowing cold
Maintenance & recalls
Acura TLX maintenance resources · Acura TLX NHTSA recalls & complaints