Showing posts with label C426, Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts. Show all posts
Showing posts with label C426, Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts. Show all posts

Tuesday, February 14, 2023

Start enable 'Drive authorization system' not issued. C426, Diagnostic Trouble Codes ( DTC ): Manufacturer Code Charts

Start enable 'Drive authorization system' not issued.


The fault code "Start enable 'Drive authorization system' not issued" typically indicates an issue with the vehicle's security system or drive authorization system. This system is designed to prevent unauthorized individuals from starting or operating the vehicle.

The exact cause of this issue will depend on the specific make and model of the vehicle, as well as the type of security system that is installed. Some possible causes of this fault code may include:

  1. A malfunctioning key fob or immobilizer system that is preventing the vehicle from recognizing the key.

  2. An issue with the vehicle's electronic control module (ECM), which is responsible for managing the security and drive authorization systems.

  3. A fault with the wiring or electrical connections that are responsible for transmitting signals between the key, the immobilizer system, and the ECM.

  4. A problem with the starter motor or ignition system that is preventing the engine from starting.

To address this issue, you should take your vehicle to a certified mechanic or dealership for diagnosis and repair. The mechanic will use specialized diagnostic equipment to identify the specific cause of the fault code and recommend the appropriate repair or replacement.

Once the issue has been diagnosed, the mechanic may need to replace faulty components, repair wiring or electrical connections, or update software or firmware on the vehicle's computer system. The exact steps for repairing the fault code will depend on the specific cause of the issue, which will need to be identified by a qualified mechanic.