P117B LEXUS Possible Causes
- Faulty direct injector injector
- Direct injector harness injector open or short circuit
- Direct injection circuit injector poor electrical connection
- Faulty engine control module (ECM)
How to Fix Code P117B LEXUS?
Start by checking the “possible causes” listed above. Visually inspect the corresponding cable harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
- Engine light on (or engine warning light soon on)
P117B LEXUS Meaning
The engine control module (ECM) monitors the injector for the direct injector. The ECM sets the OBDII code when the direct injector injector does not meet factory specifications.