Frequently Asked Questions

What is the first thing to check when the check engine light comes on?

• Check the gas cap for tightness and visible damage — a loose or cracked cap is a common, simple cause.
• Scan the vehicle with an OBD-II tool to read stored codes; our dealership provides complimentary code reading as part of initial assessment.
• Review dashboard indicators and driving behavior — reduced power or misfires require prompt attention.
• Avoid repeatedly resetting the light yourself; clearing codes without repairs can hide problems and void warranty claims unless work is done at a certified dealership.
• When in doubt, bring your 2026 Jeep Compass to Herb Chambers Chrysler Dodge Jeep RAM FIAT of Millbury for a quick, accurate diagnosis by factory-trained technicians.

How much does a check engine light diagnostic cost for a 2026 Jeep Compass?

• Diagnostics at our dealership are competitively priced and often cost less than independent shops when factoring in accuracy and long-term savings.
• Basic code reading may be complimentary or low-cost; in-depth diagnostics that require time on the lift are priced to reflect thorough testing by factory-trained technicians.
• Accurate diagnosis prevents unnecessary repairs and reduces long-term expenses — a properly diagnosed repair saves money over time.
• If a repair is covered under warranty, it must be performed at a certified dealership to preserve coverage; we handle warranty claims efficiently.
• Contact Herb Chambers Chrysler Dodge Jeep RAM FIAT of Millbury for specific diagnostic pricing and available service specials.

What does it mean when the check engine light comes on in a 2026 Jeep Compass?

• It signals your vehicle’s onboard computer detected something outside normal parameters — from minor emissions issues to engine misfires.
• Codes fall into categories: emission control, fuel trim, ignition/misfire, sensor failures, and EVAP system leaks.
• Severity ranges from a simple loose gas cap to conditions that can cause engine damage if left unchecked; we prioritize safe, accurate assessment.
• Bring the vehicle to our dealership for a full scan; our factory-grade tools and technicians identify root causes and recommend cost-effective repairs.
• Warranty-covered repairs must be performed at a certified dealership to ensure proper documentation and long-term protection for your vehicle.

How long does a check engine light service take?

• Simple code reads and quick fixes (like tightening a gas cap or replacing a sensor) can take 30–60 minutes.
• Complex diagnostics or repairs — such as intermittent misfires or catalytic converter issues — can take several hours or a day depending on parts and testing requirements.
• Our service center uses efficient scheduling, factory diagnostic tools, and experienced technicians to minimize turnaround time without sacrificing quality.
• We communicate estimated times up front and explain potential long-term savings from correct diagnosis and OEM parts.
• For warranty repairs, performing service at our certified dealership ensures prompt authorization and proper documentation, often speeding overall resolution.