Potential causes of cruise control deactivation without intentional driver intervention; Technical Bulletin 2013/15

LOTUS CARS Limited has published a technical bulletin to address the issue of cruise control deactivation without intentional driver intervention. The bulletin provides instructions for diagnosing and troubleshooting this issue in the Evora, Exige, and Elise models.

Actions to Take

The bulletin advises that if a vehicle owner reports that the cruise control system has ‘dropped out’ or resumed normal manual speed control without the driver intentionally deactivating the system, then the following steps should be taken:

1. Compile a chronology of the issue
2. Check for unintentional driver deactivation
3. Connect Lotus TechCentre to the vehicle and check for fault code generation
4. Inspect the clutch potentiometer and wiring harness

Technical Information

The bulletin includes technical information related to the diagnosis and repair of the issue, including:

• Generation of P0571 Cruise Control/Brake Switch A Circuit code
• Testing clutch potentiometer operation using Lotus TechCentre
• DTC descriptions for P0806, P0807, and P0808 codes

Manual:

Download: Potential causes of cruise control deactivation without intentional driver intervention; Technical Bulletin 2013/15

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