Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Circuit/System Testing
2011 Cadillac Escalade Base, AWDSECTION Circuit/System Testing
WARNING: This page is about a different variant/trim than selected.
- Verify no hybrid powertrain control module or ECM DTCs are set. Repair any hybrid powertrain control module or ECM DTCs prior to performing this diagnostic procedure.
- Engine at idle, observe the hybrid powertrain control module Autostop Inhibit Reasons scan tool parameter.
- Compare the parameter display to the Typical Scan Tool Data information.
- Identify which Autostop inhibit conditions have prohibited Autostop operation. An Inhibit condition will display YES on the scan tool.
- Determine if the Autostop inhibit conditions are the result of normal operating conditions or the result of a fault condition.
- Repair the conditions that are the result of a fault condition. For example, a hood switch that indicates hood status as open when the hood is actually closed.
- Advise the vehicle operator of the normal operating and environmental conditions that will inhibit Autostop. For example, advise that Autostop is disabled when hybrid Battery Pack temperature is less than 10°C (50°F).
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.