Hondas ECU


A guide to Hondas Ecu's

What Ecu I Got in My Car??

 

Code: OBD: VTEC: VTEC Cross-over: Rev Limit: Found In:
P05 1 no 1992-1995 Honda Civic CX
P06 1 no 1992-1995 Honda Civic DX
P07 1 yes 1992-1995 Honda Civic VX
P08 1 yes ?? 1992-1995 Honda Civic D15B (JDM)
P0A 1 yes 1994-1995 Honda Accord EX
P0A 0 no 1990-1995 Honda Accord F22A
P13 1 yes 1992-1995 Honda Prelude VTEC (H22A)
P14 1 no 1992-1995 Honda Prelude Si (H23A)
P27 1 yes 1992-1995 Honda Civic EG JDM1600 SOHC
P28 1 yes 4500 7600 1992-1995 Honda Civic EX/Si / del Sol Si
p28 1 yes 1992-1995 Honda Del Sol Si/Civic Hatchback Si/ Civic EX
P2E 2 no 1996-1998 Honda Civic DX
P2M 2 yes 1996-2000 Honda Civic (NZ) SOHC VTEC
P2N 2 no 1996-2000 Honda Civic HX
P2P 2 yes 1996-2000 Honda Civic EX (D16Y8)
P2T 2b yes 1999-2000 Honda Civic Si
P30 1 yes 1992-1995 Honda del Sol DOHC VTEC EG/SiR
P54-G31 1 yes 1997 Honda Accord 1.8 LS (EDM)
P5P 2 yes 1996-1999 Honda Prelude (H22A)Type SH / Type S(JDM)
P61 1 yes 1992-1993 Acura Integra GSR (B17A)
P72 1 yes 1994-1995 Acura Integra GSR
P72 2 yes 1996-2000 Acura Integra GSR
P72 2 yes 1996-1999 Acura Integra GSR B18C
P73 2 yes 1996-2000 Acura Integra Type R (JDM and USDM)
P74 1 no 1992-1995 Acura Integra LS/GS
P75 1 no 1992-1995 Acura Integra LS/GS
P75 2 no 1996-2000 Acura Integra LS/GS
PBA 2 yes 1997-2000 Acura 1.6 EL (Canada)
PCT 2 yes 1997-2001 Honda JDM ITR/CTR
PCX 2b yes 1999-2001 Honda S2000
PG6 0 no 1988-1989 Acura Integra, All Models
PM5 0 no 1988-1991 Honda Civic/CRX DX
PM6 0 no 1988-1991 Honda Civic/CRX SOHC Si
PM7 0 no 1988-1991 Honda ZC (JDM EF)
PM8 0 no 1988-1991 Honda CRX HF
PR2 0 no 1988-1991 Honda ZC (EDM)
PR3 0 yes 1989-1991 Acura Integra XSi/RSi
PR3-J00 0 yes 1992 Acura Integra JDM B16A EF 8/9
PR3-J51 0 yes 1992 Acura Integra JDM B16A EF 8/9
PR4 0 no 1990-1993 Acura Integra LS/GS
PR4 2 no 1996-1999 Acura Integra LS/GS/RS (B18B)
PS9 0 no 1988-1991 Honda Civic 4-door EX Automatic
PW0 0 yes 1989-1991 Honda Civic/CRX SiR (or auto from 90-91 Integra XSi)

 

 

How to tell wheather your ecu is an auto or 5 Spd Civic/teg only

in 88-91 ecus

 

 (PM6, PR4, PW0, PR3, PM7):
5spd = 000, 001, 002, A00, A01, A10, J00, J001, C01, C00
Auto = J51, J50, A50, A51, 901, A60, C50, C51, X30, A80, L50, L51

92-95 ECUs

 (P28, P30, P61, P72, P91, P08)
5spd = 000, 001, 002, 003, A00, A01, A02, C00, C01, C02, J00, J01, J02, G00, G01
Auto = J50, J51, 901, 902, C50, C51, C52, A50, A51, A52, L50, L51, G51

96-00 ECUs

 (P2E, P2P, P2J, P72, P73)
5spd = 000, 001, 002, 003, A00, A01, A03, C00, C01, C02, C03, J00, J01, J02, A11, C11
Auto = A70, A71, A72, A91, A92, C70, C71, C72, C91, C92

from the patterns we can learn the following:
first letter = country of orgin
J = Japan
C= Canada
A=USA
G=Europe
second digit, if 5, 7, 9 then ecu is auto usually
third digit denotes the version/variation
L = California emissions or typically high altitude states as well.