Caterpillar 70-Pin ECM Repair Service (1993–2017) | CAT ECU Repair | Lifetime Warranty

This repair service is for 1993–2017 Caterpillar 70-Pin Engine Control Modules (ECMs/ECUs) found in a wide variety of Caterpillar on-highway truck engines and heavy equipment applications.

If your Caterpillar ECM has failed or your engine is experiencing electrical or communication issues, ACS (Automobile Computer Solutions) can restore your original module to like-new operating condition. Our repair process addresses not only the failed components but also all known common failure points to improve reliability and extend the life of your ECM.

Unlike purchasing a replacement module, your original ECM is repaired and returned ready to install with no additional programming required.

Service Features

• Professional Caterpillar 70-Pin ECM Repair

• Fits 1993–2017 Caterpillar Applications

• 2-Business-Day Turnaround (Most Repairs)

• No Programming Required

• Bench Tested Before Shipping

• Repairs All Known Failure Points

• High-Quality Electronic Component Replacement

• Lifetime Warranty

Common Problems We Repair

• No Communication With ECM

• Engine Cranks But Will Not Start

• Hard Starting

• Intermittent No-Start

• Random Engine Shutdown

• Low Power / Engine Derate

• Injector Driver Failures

• Check Engine Light

• Internal ECM Faults

• Power Supply Failures

• Voltage Regulator Issues

• Sensor Communication Problems

• Water or Corrosion Damage (When Repairable)

Compatible Caterpillar Engines

This repair service covers Caterpillar 70-Pin ECMs used on many engines, including:

• Caterpillar 3126 ECM (1997–2007) – 7AS, 8YL, 9SZ, CKM, HEP

• Caterpillar 3406 ECM (1993–2017) – 2WS

• Caterpillar C7 ECM (2003–2009) – KAL, SAP, WAX

• Caterpillar C10 ECM (1995–2003) – 3CS

• Caterpillar C12 ECM (1997–2008) – 2KS, MBL

• Caterpillar C13 ECM (1999–2011) – KCB

• Caterpillar C15 ECM (1999–2017) – 6NZ, BXS, MBN

Common Compatible Part Numbers

• 10R-3571

• 10R-4094

• 10R-8026

• 145-7806

• 157-3705

• 157-3708

• 160-2318

• 162-7584

• 179-1747

• 179-4899

• 192-7896

• 206-2700

• 223-1235

• 223-4235

• 239-3879

• 239-3881

• 239-8277

• 240-5302

• 240-5303

• 256-1159

• 262-2881

• 322-3602

• 348-2375

• 348-2376

• 348-2377

• 348-2379

• 372-2905

Don't see your part number? We repair many additional Caterpillar ECMs not listed here. Contact us with your part number and we'll verify compatibility before you order.

Repair Process

1. Purchase this repair service.

2. Ship your Caterpillar ECM to ACS.

3. Our technicians diagnose and repair your module.

4. Your ECM is fully bench tested using specialized Caterpillar test equipment.

5. Your original ECM is returned ready to install—no additional programming required.

If your ECM cannot be repaired, we'll contact you with available replacement options before performing any additional work or charges.

Why Choose ACS?

At Automobile Computer Solutions (ACS), we specialize in diesel engine electronics. Our experienced technicians repair Caterpillar ECMs every day using premium electronic components and proven repair procedures. Every repaired module is thoroughly tested and backed by a Lifetime Warranty for your peace of mind.

Questions?

Call us: (305) 456-0505

Automobile Computer Solutions (ACS)
1013 E 52nd St
Hialeah, FL 33013

If you don't see your Caterpillar ECM or part number listed, give us a call—we repair many additional Caterpillar ECMs for truck, industrial, construction, marine, and heavy equipment applications.