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ECU INFORMATION ENCYCLOPEDIA (WIKI LAYER 1) • HOWTO & TECHARTICLE

DCM3.7AP ECU Bench Pinout (Bench / Boot / GPT Mode) — Connection Diagram

Step-by-step bench connection diagram for the DCM3.7AP ECU (Platform Bench, no case opening, and Boot Mode): T30/T15 power pinout, CAN-H/CAN-L twisted pair and GPT0/GPT1 signals.

OEM PINOUT DIAGRAM: BOOT_DELPHI DCM3.7AP R5F72544R.png (Boot)1,866,727 bytes
BOOT_DELPHI DCM3.7AP R5F72544R.png
OEM PINOUT DIAGRAM: DELPHI DCM3.7AP.png (Platform / Bench)510,016 bytes
DELPHI DCM3.7AP.png
OEM PINOUT DIAGRAM: DELPHI DCM3.7AP_China.png (Platform / Bench)619,726 bytes
DELPHI DCM3.7AP_China.png
STEP-BY-STEP BENCH CONNECTION PROTOCOL (HOWTO)BENCH / BOOT
  1. Step 1 (Terminal 30 & Terminal 15 power): Apply stabilized 13.5V — 13.8V to the permanent power (T30) and ignition (T15) pins, plus ground (GND), following the cable color coding above.
  2. Step 2 (CAN bus & GPT0 / GPT1 generator lines): Connect the CAN-H and CAN-L, plus the signal wires GPT0 (S1) and GPT1 (S2) to enter service mode without opening the ECU case.
  3. Step 3 (Full PFLASH + DFLASH backup read): Before any write operation, read and save a full backup of the internal flash (PFLASH) and the EEPROM area (DFLASH).
VEHICLES FITTED WITH THE DCM3.7AP ECU (21)FITMENT
BrandModel & EngineECU & MCUOpen
Chevrolet Captiva (2.2 16v D 184 4WD Z22D1 184) DELPHI DCM3.7AP (SH72544) Open vehicle →
Chevrolet Captiva (2.2 16v D 163 2WD Z22D1 163) DELPHI DCM3.7AP (SH72544) Open vehicle →
Chevrolet Cruze (2.0 16v VCDi Z20D1 163) DELPHI DCM3.7AP (SH72544) Open vehicle →
Chevrolet Orlando(J309) (2.0 16v VCDi Z20D1 163) DELPHI DCM3.7AP (SH72544) Open vehicle →
Chevrolet Orlando(J309) (2.0 16v VCDi 130 Z20D1 131) DELPHI DCM3.7AP (SH72544) Open vehicle →
Great Wall / Haval / Tank All Models (Universal ECU Protocol) (All engine variants with this ECU) DELPHI DCM3.7AP_China (SH72544) Open vehicle →
Holden Captiva (2.2 16v D 184 4WD Z22D1 184) DELPHI DCM3.7AP (SH72544) Open vehicle →
Holden Captiva (2.2 16v D 163 2WD Z22D1 163) DELPHI DCM3.7AP (SH72544) Open vehicle →
Hyundai All Models (Universal ECU Protocol) (All engine variants with this ECU) DELPHI DCM3.7AP (R5F72544R) Open vehicle →
JMC All Delphi-System Models (Universal Protocol) (All engine variants with this ECU) DELPHI DCM3.7AP_China (SH72544) Open vehicle →
Opel Antara(A) (2.2 VCDi Z22DMH 184) DELPHI DCM3.7AP (SH72544) Open vehicle →
Opel Antara(A) (2.2 VCDi Z22DM 163) DELPHI DCM3.7AP (SH72544) Open vehicle →
Chevrolet All Models (Direct ECU Connection) (Read/Write DFLASH/PFLASH, CheckSum) DELPHI DCM3.7AP (SH72544) Open vehicle →
Great Wall / Haval / Tank All Models (Direct ECU Connection) (Read/Write PFLASH) DELPHI DCM3.7AP_CHINA (SH72544) Open vehicle →
Holden All Models (Direct ECU Connection) (Read/Write DFLASH/PFLASH, CheckSum) DELPHI DCM3.7AP (SH72544) Open vehicle →
JMC All Models (Direct ECU Connection) (Read/Write PFLASH) DELPHI DCM3.7AP_China (SH72544) Open vehicle →
Opel All Models (Direct ECU Connection) (Read/Write DFLASH/PFLASH, CheckSum) DELPHI DCM3.7AP (SH72544) Open vehicle →
Universal ECU Protocol Invasive Programming Protocol (Boot / BDM / JTAG / Renesas) (Direct bench connector access (Bench / Boot)) DELPHI DCM3.7AP (R5F72544R) Open vehicle →
Universal ECU Protocol Invasive Programming Protocol (Boot / BDM / JTAG / Renesas) (Direct bench connector access (Bench / Boot)) DELPHI DCM3.7AP_China (SH72544) Open vehicle →
Universal ECU Protocol Asian Denso / Mitsubishi Melco / Delphi DCM ECUs (Platform / Bench) (Direct bench connector access (Bench / Boot)) DELPHI DCM3.7AP (SH72544) Open vehicle →
Universal ECU Protocol Asian Denso / Mitsubishi Melco / Delphi DCM ECUs (Platform / Bench) (Direct bench connector access (Bench / Boot)) DELPHI DCM3.7AP_China (SH72544) Open vehicle →