# C1B93 on the 2014 Infiniti Q50

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name C1B93

- [10152992](https://open.wenmarpro.com/bulletins/10152992), 2019-02-19: CHASSIS CONTROL MODULE DTC INFORMATION SERVICE INFORMATION If one or more of the following Chassis Control DTCs are stored: \- C1BA0\-00 \- \(CHASSIS CONTROL BRAKE SYSTEM\) \- C1B90\-00 \- \(DIRECT ADAPTIVE STEERING SYSTEM\) \- C1B92\-00 \- \(BRAKE CONTROL SYSTEM\) \- C1B93\-00 \- \(ENGINE/HEV SYSTEM\) \- C1B94\-00 \- \(TRANSMISSION SYSTEM\) And One or more additional DTCs, other than those above, are also stored in a control unit other than the Chassis Control Module. \- Perform the diagnostic/repair procedures for the additional DTCs of the other control unit FIRST. \- Refer to the Electronic Service Manual \(ESM\) for DTC specific diagnostic information. Do not replace the CHASSIS CONTROL MODULE \(CONTROLLER ASSY\-IDM\) if additional DTCs are present.