[What is a Car Diagnostic Check? | What is a Car Diagnostic Check?]

Ever wondered what happens when your car starts playing hide-and-seek with its own engine? A Car Diagnostic Check is like giving your vehicle a full health MOT: we hook into its brain (the ECU), read fault codes, and interpret live data to pinpoint exactly what’s purring or pouting under the hood. Think of it as your car’s annual physical—catching sneaky gremlins in your fuel system, ignition, emissions, or electrical circuits before they turn into roadside horror stories. Armed with this intel, our tech wizards can prescribe the perfect tune-up or remap, keeping your ride smooth, efficient, and ready to roar.

How It Works?

Step 1

Book Appointment

Select a convenient date and time for your mobile diagnostic check or tuning service. Once booked, you'll receive a confirmation email with appointment details, technician info, and preparation tips, plus a friendly reminder before your slot to ensure a seamless experience.

Step 2

Mobile Pit-Stop Magic

We pull up in our fully stocked service van, unpack our diagnostic toolkit, and plug into your ECU for a deep dive—running fault-code scans and live-data logging to unearth every sneaky issue hiding under the hood. Within an hour, you’ll get a clear report on what’s purring and what’s pouting, all without leaving your driveway (or your office)!

Step 3

Service Report

You’ll get a clear diagnostic report with before-and-after power and torque graphs, OBD-II error codes with freeze-frame data, air-fuel ratio readings, fuel-trim analysis, emission logs, live-data snapshots, and custom repair recommendations.

Car Diagnostic Services.

At Precision Remaps UK, we deliver comprehensive vehicle diagnostic and coding solutions, including:


Pre- and Post-Repair Scans & DTC Clearing
Thorough system scans before and after maintenance, plus full removal of stored fault codes.
Headlight, Battery & Injector Coding
Software calibration for new or upgraded headlights, batteries, and fuel injectors to ensure seamless integration.
Service Light & Maintenance Reminder Reset
Reset oil-change, service-interval, and inspection warnings following scheduled maintenance.
Airbag Module Coding & Calibration
Programming and alignment of airbag control units after deployment or replacement.
Brake System Bleeding & Electronic Parking Brake Service
Hydraulic line purging combined with electronic handbrake recalibration for optimal stopping performance.
Tyre Pressure Monitoring System (TPMS) Reset
Sensor initialization and relearn procedures after tyre changes or rotations to maintain accurate pressure alerts.
AdBlue System Reset & Coding
Clearing AdBlue dosing faults, recoding SCR modules, and adapting injector parameters for emission-control compliance.

Our Car Diagnostic Service Packages

Basic

£49

A quick OBD-II scan with live-data snapshots and a clear report of detected fault codes and recommended next steps.

  • OBD-II fault‐code scan & freeze-frame retrieval
  • Live-data snapshot of key sensors (RPM, coolant temp, throttle position)
  • Written summary of detected DTCs and immediate next steps


Schedule Basic Check

Standard

£99

Everything in Basic, plus fuel-trim and AFR analysis, emission-parameter logging, and a 30-point systems health check.

Includes everything in Basic, plus:

  • Short- and long-term fuel-trim analysis
  • Lambda sensor & wideband AFR readings
  • Emission‐parameter log (CO₂, NOx)
  • 30-point systems check (engine, transmission, ABS, airbags)
Schedule Standard Check

Premiuim

£149

Includes Standard features alongside a portable dyno or road-load power/torque trace, full electrical-system scan, DPF/AdBlue inspection, and a test-drive data comparison.

Includes everything in Standard, plus:

  • Baseline power/torque trace via portable dyno or road-load simulation
  • Full electrical‐system health scan (battery, alternator, starter)
  • DPF/AdBlue subsystem inspection & DTC removal
  • 15-mile test drive with post-drive data‐log comparison
Schedule Premium Check

Fleet Monitoring & Subscription Package

POA

OEM hardware installed in each vehicle, 24/7 cloud storage of fault codes and metrics, automated monthly health reports, bulk pricing, and priority support.

  • OEM-grade hardware pre-installed in each vehicle
  • 24/7 cloud storage of fault codes & performance metrics
  • Automated monthly health reports sent to your portal
  • Bulk‐pricing and priority emergency support
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