INFINITI M37 unresolved issue with codes P0103, P1564, P1705, and P2138 on INFINITI M37

Some INFINITI M37 owners report experiencing issues related to multiple diagnostic trouble codes (DTCs) such as P0103, P1564, P1705, and P2138, which can indicate various underlying problems. Specifically, the P0103 code suggests a high input signal issue with the Mass Air Flow (MAF) sensor circuit, prompting owners to inspect wiring harnesses and connectors for damage. The P1564 code points to potential faults with the ASCD steering switch, while the P1705 code indicates concerns with the throttle position sensor, which may also involve wiring issues. Lastly, the P2138 code highlights voltage correlation problems between the throttle and pedal position sensors. Owners are advised to conduct thorough inspections and address any detected issues with these components to restore their vehicle's performance and functionality effectively.