Volvo ECM 20577135 P02 – Engine Control Module Overview
The Volvo ECM with part number 20577135 P02 is a vital electronic control unit used in various Volvo construction equipment, including excavators and motor graders. Manufactured by Delphi Electronics & Safety, this ECM ensures optimal engine performance, fuel efficiency, and communication with other vehicle systems.
Whether you’re facing issues like communication loss, injector faults, or engine shutdowns, our professional repair service offers a fast and reliable solution — backed by a 1-year warranty and full bench testing.
We specialize in hardware-level repairs without altering the original software calibration. Learn more below about compatibility, common faults, and answers to frequently asked questions.
Reference Numbers
This ECM unit is known by several reference numbers depending on the source or distributor:
Delphi OEM Part Number: 20577135
Software Calibration Code: P02
Alternate Volvo Catalog Number: VOE 20577135
Internal Production Reference: 60100002
Manufacturer: Delphi Electronics & Safety (for Volvo Construction Equipment)
🔹 Most Common Issues
Most Common Issues with Volvo ECM 20577135 P02
Loss of communication with diagnostic tools
Engine randomly shutting off during operation
Throttle becomes unresponsive or engine idles irregularly
Fault codes related to injectors, crankshaft sensor, or CAN lines
Internal voltage regulation failure
CAN BUS errors between ECM and other modules
Environmental damage from vibration, dust, or moisture
These issues can affect machine performance and reliability, especially in heavy-duty environments.
contact@unitechelectronics.ca
+1(888)405-7730
🔹 Frequently Asked Questions (FAQ)
Q: Can you repair this ECM?
A: Yes, we offer full bench testing and hardware-level repair. A 1-year warranty is provided for all repairs.
Q: Do you modify or reset the software?
A: No, we do not alter or erase software. The original calibration remains intact.
Q: What’s the typical turnaround time?
A: Around 3 to 5 business days from the time we receive the module.
Q: Do you accept shipments from the U.S. or other countries?
A: Yes, we serve customers across North America and internationally. Please use insured and trackable shipping.
Q: What if my ECM cannot be repaired?
A: If it’s not repairable, we return it free of charge and may offer replacement options if available.

