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ELECTRICAL DIAGNOSTICS · PROGRAMMING · COLORADO SPRINGS

AUTO ELECTRICAL REPAIR IN COLORADO SPRINGS

Wiring faults, dead modules, parasitic draws, security no-starts and check engine lights on domestic, European and Asian vehicles, diesel trucks and fleets. Scan tools, wiring diagrams and step-by-step testing, with dealer-level module programming done in-house.

Diagnostic tablet connected to a car engine for repairs

★  4.9 stars · 247 Google reviews

✓  24-month / 24,000-mile warranty

✓  ASE-certified technicians

✓  Female-led, family-owned

What we do

ELECTRICAL DIAGNOSTICS AND REPAIR

Modern vehicles run on dozens of modules and miles of wiring. Guessing gets expensive fast.

01

Diagnostics

We trace electrical problems to the source instead of replacing parts until something works.

✓  Shorts, opens and corrosion

 

✓  Fuses that keep blowing

 

✓  Intermittent faults that come and go

 

✓  Ground connection faults

02

Programming

Many repairs need a module programmed or set up after installation. We do it here.

✓  PCM and module programming

 

✓  J2534 pass-thru with factory software

 

✓  Module setup and resets after repairs

 

✓  Network faults and no-communication

03

Lighting and accessories

The everyday electrical items, plus the heavy-duty wiring on work trucks.

✓  Lights head, tail and turn

 

✓  Power windows locks and mirrors

 

✓  Climate control blower motors and controls

 

✓  Trailer wiring and brake controllers

COMMON JOBS

ELECTRICAL PROBLEMS WE FIX EVERY WEEK

A code tells us which system reported a problem, not which part failed. Testing finds the part.

CHECK ENGINE

Codes and live data

•  Codes read and explained

 

•  Live data reviewed

 

•  Sensor and wiring tested

 

•  Flashing light means pull over

SECURITY

Immobilizer no-starts

•  Key and transponder faults

 

•  Ford PATS concerns

 

•  Module communication

 

•  Key programming where available

BATTERY DRAIN

Dies overnight

•  Key-off draw measured

 

•  Modules that stay awake

 

•  Stuck relays

 

•  Aftermarket add-ons

TRUCK WIRING

Work trucks and diesels

•  Trailer plugs and brake controllers

 

•  Upfit and accessory wiring

 

•  Sensor wiring on diesels

 

•  Corrosion from winter roads

FREE INSPECTION

BOOK A FREE ELECTRICAL INSPECTION

Warning lights, dead accessories or a battery that keeps dying? We scan every module and test the circuit before recommending anything. Prefer the phone? Call (719) 591-7743.

ELECTRICAL QUESTIONS WE ANSWER EVERY WEEK

Straight answers from our techs

WHY DO MY FUSES KEEP BLOWING?

A fuse blows to protect a circuit that is drawing too much current, usually from a short to ground or a failing motor. Replacing the fuse without finding the cause just repeats it.

Warning signs

Same fuse blows again  ·  Accessory stops working  ·  Burning smell  ·  Melted connector

What we do

We isolate the circuit and trace it section by section until we find the short.

Colorado Springs:  Winter road treatment is hard on connectors under trucks. Corrosion is behind many trailer and sensor faults.

WHY DOES THE PART NEED TO BE PROGRAMMED?

Many modern modules ship blank or need to learn the vehicle they are installed in. Without programming, the new part may not work or may set new faults.

When it comes up

New module not working  ·  Warning lights after repair  ·  No-communication codes  ·  Key not recognized

What we do

We program modules in-house with a J2534 pass-thru and the maker’s factory software.

Colorado Springs:  Low battery voltage on a cold morning can set false electrical codes. The battery gets tested first.

WHAT CAUSES AN INTERMITTENT ELECTRICAL PROBLEM?

Loose or corroded connections, chafed wiring and failing grounds are the usual causes. They are hard to catch because they come and go with heat, cold and bumps.

Warning signs

Comes and goes  ·  Worse over bumps  ·  Worse in cold or rain  ·  Several systems glitch at once

What we do

We try to reproduce it, check connectors and grounds, and use data logging to catch it in the act.

WHY WON’T MY CAR START WITH THE SECURITY LIGHT ON?

The immobilizer is not recognizing the key, or a module is not talking to it. The engine cranks but will not run, or will not crank at all.

Warning signs

Security light flashing  ·  Cranks but no start  ·  Starts then stalls  ·  Key not detected

What we do

We scan the security system, test the key and the communication path, then repair or program what failed.

IS A FLASHING CHECK ENGINE LIGHT AN EMERGENCY?

Yes. A flashing light means an active misfire that can overheat and damage the catalytic converter. Pull over safely and call us.

Warning signs

Flashing light  ·  Shaking  ·  Loss of power  ·  Fuel smell

What we do

We find the cylinder and the cause, whether it is a plug, coil, injector or something mechanical.

Colorado Springs:  Cold snaps expose weak connections. A fault that only shows up below freezing is still worth chasing.

NOT SURE WHAT IS WRONG WITH THE WIRING?

Tell us when it happens and what else is going on when you book. We test before we replace.

BRING YOUR CAR OR TRUCK TO WESTCO

Free electrical inspection, in-house module programming, and a clear explanation before any work begins.

Westco Automotive & Truck Repair

1130 Valley St Ste A/B

Colorado Springs, CO 80915

Monday–Friday · 9 AM–5 PM

(719) 591-7743

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