ITB16-008C
Service Bulletin Details
Public Details for: ITB16-008C
Mil on with P0603 stored for ecm back up circuit this bulletin has been amended. See amendment history on page 3. Please discard previous versions of this bulletin.
- 2019 - 2018 - 2017 - 2016 - 2015 -
Models from 2019
| 2019 INFINITI Q70 |
Models from 2018
| 2018 INFINITI Q70 |
Models from 2017
| 2017 INFINITI Q70 |
| 2017 INFINITI QX50 |
| 2017 INFINITI QX70 |
Models from 2016
| 2016 INFINITI Q70 |
| 2016 INFINITI QX50 |
| 2016 INFINITI QX70 |
Models from 2015
| 2015 INFINITI Q50 |
| 2015 INFINITI Q60 |
| 2015 INFINITI Q70 |
| 2015 INFINITI QX50 |
| 2015 INFINITI QX60 |
| 2015 INFINITI QX70 |
Classification: Reference: Date: EC16-005C ITB16-008C April 1, 2021 MIL ON WITH P0603 STORED FOR ECM BACK UP CIRCUIT This bulletin has been amended. See AMENDMENT HISTORY on page 3. Please discard previous versions of this bulletin. APPLIED VEHICLES: 2015 Q50 (V37) 2015 Q60 (V36) 2015-2019 Q70 (Y51) 2015-2017 QX50 (J50) 2015 QX60 (L50) 2015-2017 QX70 (S51) NOTE: This TSB only applies to vehicles equipped with multi-port injection (MPI). IF YOU CONFIRM The MIL is “ON” with DTC P0603 (ECM BACK UP/CIRCUIT). ACTION 1. Confirm that the battery voltage is 11 volts, or more, with the ignition ON (engine OFF, not running). 2. Erase the DTC. 3. Perform DTC confirmation steps in the Service Procedure. 4. Confirm 1st trip DTC P0603 is not stored. NOTE: P0603 is often the result of low battery voltage, discharged battery or battery terminal disconnections. IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair. Infiniti Bulletins are intended for use by qualified technicians, not 'do-it-yourselfers'. Qualified technicians are properly trained individuals who have the equipment, tools, safety instruction, and know-how to do a job properly and safely. NOTE: If you believe that a described condition may apply to a particular vehicle, DO NOT assume that it does. See your Infiniti retailer to determine if this applies to your vehicle. 1/3 SERVICE PROCEDURE NOTE: This DTC may have been stored due to low battery voltage, discharged battery or battery terminal disconnections. 1. Confirm the battery voltage is at least 11 volts, or more, with the ignition ON. While checking the battery voltage, make sure the battery cables are clean and tight. Resolve any low battery condition before proceeding. Repairs for a low battery condition are not covered by this bulletin 2. Connect the C-III plus VI to the vehicle. 3. Open C-III plus on the CONSULT PC. 4. Turn the ignition “ON”, but Do Not Start engine. 5. Erase the DTC. 6. Turn the ignition OFF. 7. Turn the Ignition ON and wait for at least 1 second. 8. Turn the ignition OFF and wait for at least 10 seconds. 9. Repeat step 7 and step 8 ten times and then proceed to step 10. 10. Turn the ignition ON. If P0603 is currently stored as a 1st trip DTC, refer to the ESM for further diagnostic information. If P0603 is NOT currently stored as a 1st trip DTC, the Service Procedure is complete. 2/3 ITB16-008C CLAIMS INFORMATION Submit a Primary Operation (PO) type line claim using the following claims coding: DESCRIPTION OP CODE SYM DIA FRT DTC P0603 SYSTEM CHECK EX2LAA HD 32 0.4 hr AMENDMENT HISTORY PUBLISHED DATE REFERENCE DESCRIPTION February 22, 2016 NTB16-018 Original bulletin published January 4, 2017 NTB16-018A APPLIED VEHICLES updated March 26, 2018 NTB16-018B APPLIED VEHICLES updated April 1, 2021 NTB16-018C APPLIED VEHICLES updated 3/3 ITB16-008C