
Check Engine Diagnostics
Factory-level scan, cause confirmed, written range
- Price range
- $99–$189
- Typical time
- 1–1.5 hours

Mazda and Subaru · Jeep, Ram, Dodge and Chrysler · GMC, Buick and Cadillac · Lexus, Acura and Infiniti · BMW, Mercedes-Benz, Audi and Mini · Mitsubishi, Fiat, Volvo and others
Eight brands have their own page because they fill the bays. Everything else, from a Mazda3 to a Ram 2500 to a Lexus RX, is repaired here with the same published ranges and the right diagnostic tool for the make.
All makes, published price ranges, every repair covered for 2-year/24,000-mile
Model lines
Mazda and Subaru
2008–present
Mazda3, Mazda6, CX-5 and CX-9 with the Skyactiv engines; Subaru Outback, Forester, Impreza, Crosstrek and WRX with the boxer engines and the Lineartronic CVT.
Jeep, Ram, Dodge and Chrysler
2008–present
Wrangler, Grand Cherokee and Cherokee; Ram 1500, 2500 and 3500 with the Hemi, Pentastar and Cummins; Charger, Challenger, Durango, Pacifica and the 300.
GMC, Buick and Cadillac
2008–present
Sierra, Yukon, Acadia and Terrain; Enclave, Encore and LaCrosse; Escalade, XT5 and CTS; they share GM engines and the list on the Chevrolet page.
Lexus, Acura and Infiniti
2006–present
RX, ES, IS, GX and NX; MDX, RDX, TLX and TSX; Q50, QX60 and G37; they share the Toyota, Honda and Nissan mechanicals with more electronics.
BMW, Mercedes-Benz, Audi and Mini
2008–present
3 Series, 5 Series, X3 and X5; C-Class, E-Class, GLC and GLE; A4, Q5 and Q7; Cooper and Countryman; serviced here as general repair with the brand tool, approval oils and OE parts.
Mitsubishi, Fiat, Volvo and others
2008–present
Outlander, Lancer and Mirage; 500 and 500X; XC60, XC90 and S60; and the vans and fleet trucks that keep Dallas businesses running.
Common problems
Problem
Subaru 2.5 non-turbo, 2010–2014, and Lineartronic CVT 2010–2018: Oil consumption and a low-oil light; CVT shudder or whine in heat.
Likely cause
Piston ring design on those engines; CVT fluid degraded and torque converter judder.
The fix
Consumption test and the options; CVT fluid service with the Subaru fluid, $189–$299.
Transmission Service and RepairProblem
Jeep Cherokee and Chrysler 200 with the 9-speed, 2014–2019: Harsh shifts, hunting, limp mode.
Likely cause
Software and adaptation drift, solenoid and valve body wear.
The fix
Software update and relearn with the brand tool first; valve body $600–$1,800 if the fault stays.
Transmission Service and RepairProblem
Ram, Jeep, Dodge and Chrysler with the 3.6 Pentastar, 2011–2016: Misfire on one cylinder, tick, coolant loss from the oil cooler.
Likely cause
Cylinder head valve seat issues on early engines, and the plastic oil cooler housing that leaks oil and coolant.
The fix
Diagnosis confirms the cylinder; oil cooler housing replaced with the updated part as a cooling repair.
Cooling System RepairProblem
Mazda CX-5, Mazda3 and Mazda6 with Skyactiv, 2013–2020: Brake pulsation and rear brake wear, A/C warm at idle.
Likely cause
Rear calipers that seize, and condenser leaks.
The fix
Pads and rotors per axle with calipers where seized, $249–$699; condenser $450–$900.
Brake RepairProblem
Lexus RX and ES, Acura MDX and RDX, Infiniti QX60, 2008–2018: Water pump weep, A/C compressor noise, CVT or converter shudder.
Likely cause
The same Toyota, Honda and Nissan items under a different badge.
The fix
Water pump $450–$1,200, compressor with flush $800–$1,600, transmission service $189–$349.
Cooling System RepairProblem
BMW, Mercedes-Benz, Audi and Mini, 2008–2018: Oil leaks from valve covers and oil filter housings, coolant loss from plastic fittings, brake wear warnings, battery registration faults.
Likely cause
Plastic and rubber ageing in heat, and electronics that need the brand tool.
The fix
Diagnosis with the brand tool, then the gasket, fitting, brake or battery job at the same published ranges as any other make.
Check Engine DiagnosticsProblem
Ram 2500 and 3500 with the 6.7 Cummins, 2013–present: DEF system warnings, derate countdown, EGR and turbo faults.
Likely cause
Emissions system sensors and the DEF injector and pump.
The fix
Diagnosis with the brand tool, the sensor or DEF component replaced; the shop does not delete emissions equipment.
Check Engine DiagnosticsProblem
Any make past 100,000 miles in Dallas: Clunk over bumps, hum with speed, A/C that fades in traffic, slow crank in summer.
Likely cause
Links, bearings, condensers and batteries age the same way on every badge.
The fix
Lift inspection, performance check and charging test, each quoted from the same table.
Suspension RepairThe Japanese and Korean makes that share mechanicals with the branded pages: Lexus, Acura and Infiniti, Mazda, Subaru and Mitsubishi. The domestic makes that share platforms: GMC, Buick and Cadillac with Chevrolet; Lincoln with Ford; Jeep, Ram, Dodge and Chrysler with their own engines and transmissions. The European makes: BMW, Mercedes-Benz, Audi, Mini, Volvo and Fiat, serviced here as general repair with the brand tool, the approval oils and OE parts, at the shop's ordinary ranges.
And the vehicles that keep Dallas businesses moving: Ford Transit, Ram ProMaster and Mercedes Sprinter vans, Ram 2500 and Silverado 2500 work trucks, and the Toyota and Nissan pickups of every trade. Fleet owners should say how many vehicles they run when they book.
By owning the tools. The shop runs the factory software for the makes it sees most, Techstream, i-HDS, CONSULT, FDRS, GDS2, GDS and KDS, ODIS, and the Chrysler, BMW and Mercedes platforms where the make allows independent access, backed by a professional multi-brand scan tool with bidirectional control and a J2534 interface for programming. A code on a Lexus is read with the Toyota tool because it is a Toyota underneath; a code on a BMW is read with the BMW tool because a generic scanner cannot run its tests.
The $99–$189 diagnosis is the same visit whatever the badge: every module read, the freeze frame saved, the test that proves the cause, and a written range. When a make needs something the shop cannot do, a dealer-only key or a high-voltage battery, the shop says so at booking.
Brake pads and rotors per axle are $249–$699 whether the car is a Mazda3 or a Mercedes GLE; the Mazda sits near the bottom because its parts are inexpensive and its calipers simple, the Mercedes near the top because its rotors are large and its wear sensors and parking brake need the tool. A water pump is $450–$1,200 on every make, with a belt-driven Lexus pump low and a timing-belt-driven Acura pump high. The range describes the job; the make and the engine place the car inside it.
That is the point of publishing one table. An owner of any make can read the range before calling, and the written estimate after the diagnosis is the figure, placed inside the range and explained. European cars are priced as cars, not as a category.
The heat. Batteries last two to four summers on a Subaru and on a BMW alike. Condensers take the debris of I-635 on a Jeep and a Lexus alike. Transmission fluid oxidises in traffic in a Ram 9-speed and a Subaru CVT. Plastic cooling parts crack after ten summers on a Pentastar and on a Mercedes. Rubber bushings and boots harden on every chassis that sits outside through August.
So the schedule is the same: oil at the severe-service interval on the correct approval, transmission fluid before the brochure says, a battery test every summer, an A/C check before the first hot week, and the lift inspection with every oil change that catches the leak and the worn link before they become a tow.
Send the year, make, model, engine and mileage with the symptom. The shop replies with the service the car needs and its range, or with a diagnosis appointment at $99–$189 for a warning or a noise, and says plainly if any part of the job needs a dealer. Whichever badge is on the grille, the repair is backed for 2 years parts and 2 years labor, up to 24,000 miles, nationwide. To book, email service@dallasmechanic.net.
Costs
| Service | Price range | Typical time |
|---|---|---|
| Diagnosis with the brand tool, any make | $99–$189 | 1–1.5 hours |
| Oil change, from conventional to European approval oil | $59–$139 | |
| Brake pads and rotors, per axle, any make | $249–$699 | |
| Transmission or CVT fluid service with the manufacturer's fluid | $189–$349 | |
| A/C evacuate and recharge, R-134a or R-1234yf | $149–$399 | |
| Water pump, belt-driven to timing-belt-driven | $450–$1,200 | |
| Pre-purchase inspection, any make | $129–$229 |
The same published Dallas ranges as every brand page; the make, the engine and what the inspection finds place a car inside the range, and the figure is written before any part is ordered.
How booking works
Covered for 2 years parts and 2 years labor, up to 24,000 miles, nationwide
Questions
The ranges are the same; the position inside them is not. A BMW brake job sits higher in the $249–$699 per-axle range than a Corolla's because the rotors cost more and the car needs the tool for its sensors and parking brake. The labor rate is the shop's single independent rate, not a European specialist rate.
Mechanically, yes, with the same factory tool, the same fluids and the same known items, which is good news for the owner because the parts are shared and the ranges are the same. The extra electronics on the luxury badge are handled with the same tool, and the written estimate says if any of them changes the figure.
Yes. The 9-speed in the Cherokee and the 200 is mostly a software and relearn transmission with a valve body at $600–$1,800 when hardware is needed; the Hemi and the Pentastar have their known items, including the Pentastar oil cooler housing, and the shop reads them with the brand tool and quotes from the table.
Yes: Transit, ProMaster and Sprinter vans, three-quarter-ton and one-ton trucks with gasoline and diesel engines, and the pickups of every trade. Fleet owners should say how many vehicles they run and how they are used when booking so the schedule and the parts suit the work.
High-voltage battery and drive-unit work on electric vehicles, keys on the few models whose security data is locked to dealers, and emissions deletes on diesels, which the shop does not do on any make. Everything else on the service pages is done here, and the shop tells you at booking if your make and job are an exception.
Bring any make to a shop that publishes its prices
Eight brands have their own page because they fill the bays. Everything else, from a Mazda3 to a Ram 2500 to a Lexus RX, is repaired here with the same published ranges and the right diagnostic tool for the make.