Frequently Asked Questions

What is the most common reason for check engine light on a 2025 Ram 1500 REV?

• Electric vehicles like the 2025 Ram 1500 REV commonly show warnings for battery management system (BMS) faults, high-voltage battery temperature, charging system irregularities, or inverter/motor sensor issues.
• Minor sensor or software faults are frequent and often repairable quickly; ignoring them can lead to diminished range or performance and increased long-term cost.
• Our dealership's factory-trained technicians diagnose EV-specific codes precisely and often deliver immediate and long-term savings compared with independent shops while preserving warranty coverage.
• Any repair covered under warranty must be performed at a certified dealership to maintain coverage and ensure OEM parts and software updates are applied correctly.

What does it mean when the check engine light comes on in a 2025 Ram 1500 REV?

• The indicator signals the vehicle’s control modules have logged a fault code—ranging from minor sensor faults to critical electrical or thermal issues affecting the high-voltage system.
• It does not always mean immediate danger, but it does require prompt diagnosis to prevent reduced range, performance loss, or escalating repair costs.
• We recommend scheduling a diagnostic with our dealership so factory diagnostic tools and software can read EV-specific codes, provide accurate repair guidance, and protect warranty eligibility.

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

• On the 2025 Ram 1500 REV, first check the instrument cluster for additional warnings (charging errors, battery temperature, or drive limitations) and any on-screen instructions.
• Verify the vehicle is secure, check the charging cable and port if recently charging, and note any unusual noises or performance loss before driving further.
• If the light is steady, arrange a prompt diagnostic with our dealership; if flashing or accompanied by severe warnings, stop driving and contact us for immediate assessment or towing.

How much does a check engine light diagnostic cost for a 2025 Ram 1500 REV?

• Diagnostic fees for EVs typically range based on complexity; many dealers charge a flat diagnostic fee that often falls between $100 and $200, depending on required tests.
• Herb Chambers Chrysler Dodge Jeep RAM FIAT of Danvers frequently costs less than independent shops because our factory-trained technicians use OEM tools for accurate diagnosis, reducing misdiagnoses and unnecessary repairs—this yields immediate and long-term savings.
• If a repair is needed and covered by warranty, the work must be performed at a certified dealership to preserve coverage and ensure OEM parts and software updates are used.
• Check our service specials or contact our service center for current diagnostic promotions and appointment availability.

How long does a check engine light service take?

• A standard diagnostic visit for a 2025 Ram 1500 REV typically takes 30–90 minutes, depending on code complexity and whether road testing or extended data logging is required.
• If repairs are needed, time varies: simple sensor replacements are often completed in a few hours, while high-voltage component repairs or software calibrations can take longer due to parts availability or safety procedures.
• Our dealership’s factory-trained technicians and direct parts access help accelerate repairs, delivering faster turnaround and better long-term value than many independent options.
• Remember: warranty-covered repairs must be completed at a certified dealership to remain valid.