This bulletin applies to 2015-2019 Nissan Versa vehicles as well as other Nissan models equipped with multi port fuel injection. The MIL may be on with DTC P0603 (ECM back up/circuit) stored.
Confirm that battery voltage is 11 volts or more with the ignition on and engine off. Erase the DTC. Turn the ignition on and wait for at least 1 second. Turn the ignition off and wait for 10 seconds. Repeat this ten times. Then turn the ignition on. If the DTC is not stored as a first trip DTC, you’re done. If the DTC remains, refer to the service manual for further diagnosis.
About the Author
Information courtesy of Mitchell 1
Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.
Mike Mavrigian
Motor Age Editor
Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety of specialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.

