ECU Part Number Legend

ECU’s denoted in red are reprogrammable & supported by me.
ECU’s denoted in blue are supported for Immobilizer removal only.

OBD U.S. (88-91)
DPFi = Dual Point Fuel Injection
MPFi = Multi Point Fuel Injection

  • PM5 civic/crx STD/DX; DPFi
  • PM6 civic/crx Si; MPFi, 88-89 PM6’s are not reprogrammable, only 90-91 are.
  • PM8 crx HF; MPFi
  • PR4 integra RS/LS/GS

OBD JDM (88-91)

  • PM7 civic/crx Si DOHC ZC; semi-rare ecu
  • PR3 civic/crx SiR & integra XSi/RSi DOHC VTEC (B16A)
  • PW0 civic/crx SiR & integra XSi/RSi DOHC VTEC (B16A)

OBD-1 U.S. (92-95)

  • PR4 integra RS/LS/LS-SE/GS (B18B); same programming as P74 & P75
  • P0A accord EX (SOHC VTEC)
  • P05 civic CX; uses 1-wire 02 sensor, convertable to VTEC (may vary)
  • P06 civic DX (D15B); convertable to VTEC (may vary) & supports B-series DOHC VTEC& non-VTEC programming
  • P07 civic VX (D15B SOHC VTEC-E); 2 versions of this ecu – one is P28-like, the other is an oddball ecu and is not suggested for reprogramming, uses 5-wire 02 sensor. P28-style P07 supports B-series DOHC VTEC programming.
  • P14 prelude Si DOHC (H23)
  • P13 prelude DOHC VTEC (H22A)
  • P28 civic Si/EX (D16Z6 SOHC VTEC); reprogrammable to DOHC VTEC
  • P30 civic delsol Si VTEC (B16A)
  • P61 integra GSR (B17A); only availabe in the US
  • P72 integra GS-R (B18C1)
  • P74 integra RS/LS/LS-SE/GS (B18B); same programming as PR4 & P75
  • P75 integra RS/LS/LS-SE/GS (B18B); same programming as PR4 & P74

OBD-1 JDM/EURO (92-95)

  • PR3 integra XSi/RSi DOHC VTEC (B16A); semi-rare ecu, equivilent to a US P30 ecu.
  • P08 civic VTi (D15B SOHC VTEC); small ecu body, equivilent to a P28, supports B-series DOHC VTEC programming
  • P13 prelude DOHC VTEC (H22A); only supports JDM P13 programming
  • P27 civic coupe (D16A); rare ecu, equivilent to a P28. supports B-series DOHC VTEC programming
  • P29 civic (DOHC ZC); rare ecu! equivilent to a P06/DX ecu. supports B-series DOHC programming
  • P30 civic SiR & delsol SiR (B16A); small ecu body
  • P72 integra SiR/SiR-G (B18C); small ecu body
  • P91 civic orthio (D16A SOHC VTEC); rare but equivilent to a P28, supports B-series DOHC VTEC programming

OBD-2a U.S. (96-98)

  • P2E civic DX coupe
  • P2N civic HX coupe; uses a 5-wire 02 sensor
  • P2P civic EX coupe (D16Y8)
  • P72 integra GS-R (B18C)
  • P75 integra RS/LS & LS-SE/GS
  • P13 96 prelude VTEC ( H22A); super rare ecu!
  • P5M prelude VTEC (H22A); remained OBD2a from 97-01
  • P5P prelude VTEC Type-S (H22A); remained OBD2a from 97-01

OBD-2a JDM

  • P2T civic Si coupe (B16A)
  • PCT civic Type-R (EK9/B16B)
  • P73 integra Type-R (B18C)

OBD-2b U.S. (99-01)

  • P2T civic Si coupe (B16A)
  • P72 integra GS-R (B18C); Immobilizer equipped
  • P73 integra Type-R (B18C5); Immobilizer equipped
  • P75 integra RS/LS/GS (B18B), Immobilzer equipped

OBD-2b (JDM)

  • PCB prelude Type-S
  • PCT civic Type-R (EK9/B16B)
  • PCX S2000 (F20C)



OBD-2c

  • PRB A01-A05 RSX Type-S (US)
  • PRC RSX Type-R (JDM)
  • PRD Civic Type-R (JDM)