# Service bulletin ITB26\-006

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 11033018
- Published by NHTSA: 2026\-05\-30
- Manufacturer's number: ITB26\-006
- Manufacturer's date: 2026\-05\-22
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

ENGINE NO START WITH KEY SYSTEM ERROR AND DTC B2C20\-24 STORED IN THE BCM IF YOU CONFIRM The customer states the engine will not start and “Key System Error” warning is displaying in the Information Display \(Combination Meter\) \(Figure 1\), AND DTC B2C20\-24 for "STARTER CONTROL RELAY" is stored in the BCM. HINT: This DTC and warning message \(Figure 1\) may occur if the customer does not place the vehicle in Park Gear according to the Owner’s Manual for shifter operation. ACTION 1. Confirm the current ECM part number. 2. Confirm the current TCM part number. 3. Reprogram the ECM, and then the TCM, if applicable. 4. Erase the DTCs. 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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11033018-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11033018-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system

## Trouble codes named

B2C20

## Vehicles listed

- 2026 INFINITI QX60

JSON: [/v1/bulletins/11033018](/v1/bulletins/11033018)

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