P1121 LEXUS Possible Causes
- Faulty coolant flow control valve position sensor
- Coolant flow control valve position sensor harness is open or shorted
- Poor electrical connection in coolant flow control valve position sensor circuit
How to Fix P1121 LEXUS Code?
Start by checking the “possible causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
What Does It Mean?
For non-hybrid Lexus vehicles P1121 = throttle pedal position sensor range/performance problem.
Symptoms
Possible symptoms
Check engine light on (or service engine soon warning light)
P1121 LEXUS Meaning
Coolant flow control valve position sensor circuit stuck is the generic description for Lexus P1121 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we don’t have more information about the P1121 Lexus OBDII code.