ECU
Honda ECU Definition Codes
| OBD |
ID |
Market |
ECU |
Car/Engine |
notes |
| OBD1 |
A6 |
JDM |
P13-J00/J50 |
93-95 Prelude H22A |
(4 plug => ABS) |
| OBD1 |
A8 |
Oz DM |
P14-Q00 |
93-95 Prelude Si H23A |
4WS |
| OBD1 |
A9 |
? |
P12-A00 |
? |
|
| OBD2 K |
A61 |
Oz DM |
PLR-Q71 |
Civic |
66q591 KS, PA, immo? |
| OBD1 |
B9 |
JDM |
P39-N50 |
92-95 Accord SOHC VTEC |
66911 |
| OBD1 |
C0 |
Oz DM |
P14-Q00 |
93-95 Prelude Si H23A |
|
| OBD1 |
C1 |
? |
P12-A00 |
? |
|
| OBD1 |
C2 |
USDM |
P13-A10/A11 |
92-95 H22A Prelude |
stock ROM |
| OBD1 |
D2 |
JDM |
PT6-J50 |
Accord |
|
| OBD1 |
D5 |
Oz DM |
P0A-Q00/Q50 |
94-95 Accord Ex |
66911 |
| OBD1 |
D8 |
Oz DM |
P0C-Q00 |
Accord Exi F22B |
66911 |
| OBD1 |
E4 |
Oz DM |
P14-Q52 |
93-95 Prelude Si H23A |
|
| OBD1 |
E6 |
JDM |
P13-N01 |
93-95 Prelude H22A |
|
| OBD1 |
F6 |
Oz DM |
P39-N01 |
92-95 Accord SOHC VTEC |
66911 |
| OBD1 |
L3 |
Oz DM |
P0C-Q10 |
Accord Exi F22B |
66911, immo |
| OBD1 |
S40 |
JDM |
P0F-902 |
Accord 95 CB5 H22a |
Hitachi |
| OBD0 |
10 |
JDM |
PK2-0133 |
Prelude 90-91 |
|
| OBD0 |
12 |
Oz DM |
PK2-6214 |
Prelude 88-89 |
|
| OBD0 |
27 |
Oz DM |
PK2-6220 |
Prelude 90-91 |
|
| OBD0 |
33 |
Oz DM |
PR4-Q51 |
88-89 Integra LS/GS B18a |
|
| OBD0 |
45 |
JDM |
PM7-E04 |
CRX 88-89 |
|
| OBD0 |
50 |
JDM/EDM |
PM7-9040/0330 |
CRX Si 89- |
|
| OBD0 |
51 |
JDM |
PK2 |
Prelude 90-91 |
|
| OBD0 |
54 |
Oz DM |
PR4-Q02 |
90-91 Integra LS/GS B18a |
|
| OBD0 |
?? |
USDM |
PR4-A02 |
90 Integra LS B18a |
|
| OBD0 |
53 |
USDM |
PK2-6660 |
Prelude 90-91 |
|
| OBD0 |
58 |
JDM |
PR3-901 |
89-91 B16A EF8/9 |
|
| OBD0 |
59 |
JDM |
PR5-003 |
90-91 Integra ZXi (1.6 sohc) |
|
| OBD0 |
65 |
USDM/CDM |
PM6-A09/C00 |
CRX 90-91 |
|
| OBD0 |
71 |
JDM |
PW0-000 |
CRX SiR 89-91 |
|
| OBD0 |
79 |
EDM |
Pm7-000 |
CRX 90-91 |
|
| OBD1 |
83 |
Oz DM |
PT3-Q50 |
Accord |
|
| OBD0 |
92 |
Oz DM |
PR4-Q60 |
90-91 Integra LS/GS B18a |
|
| OBD0 |
93 |
JDM |
PR3-J00/900 |
89-91 B16A DA6 |
|
| OBD1 |
97 |
Oz DM |
PT6-Q50 |
Accord |
|
| OBD2 B |
111 |
USDM |
P73-A04 |
ITR |
knock, immobilizer, PA sensor PCB: A3Y-B 001AC-L5002-00 |
| OBD2 B |
117 |
Oz DM |
PCX-??? |
???? |
|
| OBD0 |
120 |
JDM |
PM7-Q020 |
CRX 88-89 |
|
| OBD0 |
121 |
EDM |
PM7-E020 |
CRX 88-89 |
|
| OBD1 |
202 |
JDM |
P29-900/000 |
Civic D16A ZC DOHC |
OBD1 ZC |
| OBD1 |
203 |
JDM |
P30-? |
Civic B16A DOHC Vtec |
common dev rom |
| OBD1 |
204 |
JDM |
P54-900 |
Domani B18B DOHC |
|
| OBD1 |
205 |
JDM |
PR3-J01 |
92-93 Integra XSi B16A |
no inj test, no PA, yes knock |
| OBD1 |
206 |
JDM |
P08-020 |
D15B SOHC Vtec |
|
| OBD1 |
208 |
EDM |
P28-G00/G50 |
Civic D16Z6 SOHC VTec |
|
| OBD1 |
209 |
EDM |
P30-G00 |
Civic B16A2 DOHC Vtec |
no PA, no knock, no ELD |
| OBD1 |
210 |
? |
|
|
|
| OBD1 |
211 |
USDM |
P07 |
Civic VX D15Z1 Sohc Vtec-E |
5wire o2, 02D011F0-1500 and 02D01720-1500 chipable, 02D01560-1500 not (yet) |
| OBD1 |
214 |
USDM |
P74 |
Integra B18 |
|
| OBD1 |
215 |
USDM |
P61 |
Integra B17A DOHC Vtec |
|
| OBD0 |
216 |
USDM |
PM5/PM9 |
D15B DPFI |
only 90-91 |
| OBD1 |
218 |
JDM |
P07-G01 |
Civic SOHC Vtec-E 1500 |
complement to "252" proc - Wideband? |
| OBD1 |
219 |
JDM |
PR3-J51 |
92-93 Integra XSi B16A |
no inj test, no PA, yes knock |
| OBD1 |
223 |
JDM |
P27-T50 |
SOHC |
|
| OBD1 |
224 |
JDM |
P07-T50 |
SOHC Vtec-E |
|
| OBD1 |
224 |
EDM? |
P29 |
DOHC D16A9 |
by ELF |
| OBD1 |
229 |
USDM |
P06 |
Civic DX D15B SOHC |
auto |
| OBD0 |
230 |
USDM |
PM5 |
Civic DX |
66201 proc |
| OBD1 |
230 |
USDM |
P28-A00 |
D16Z6 SOHC |
manual, 66207 proc |
| OBD1 |
231 |
USDM |
P05 |
Civic CX D15B8 SOHC |
1 wire O2 link |
| OBD1 |
232 |
USDM |
P75 |
Integra B18B GS DOHC |
(Also PR4) |
| OBD1 |
233 |
USDM |
PR4-A61 |
unknown car |
B18 non-vtec 5spd |
| OBD1 |
??? |
USDM |
PR4-A11 |
Integra B18A GS DOHC |
B18 non-vtec 5spd |
| OBD1 |
235 |
Oz DM |
PR4-Q61 |
Integra B18A GS DOHC |
|
| OBD1 |
236 |
Brazil |
P30-G00 |
EG6 B16A2 DOHC Vtec |
|
| OBD1 |
237 |
JDM |
P08-001 |
D15B SOHC Vtec |
|
| OBD1 |
238 |
EDM |
P04-G00 |
D15B2 SOHC |
|
| OBD1 |
240 |
JDM |
P30-J00 |
Civic B16A DOHC Vtec |
(square ECU) Usually already ready for a chip |
| OBD1 |
243 |
JDM |
P08-010/911 |
D15B SOHC Vtec |
|
| OBD1 |
244 |
Oz DM |
P29-Q01 |
Civic D16A ZC DOHC |
OBD1 ZC |
| OBD1 |
245 |
JDM |
P30-010 |
Civic B16A DOHC Vtec |
(square ECU) Not ready for a chip. You need to get the small Resistors and the small 74HC373 (good luck finding one) |
| OBD1 |
246 |
JDM |
P30-901 |
ECU B16 DOHC Vtec |
auto |
| OBD1 |
248 |
USDM |
P09-A00 |
Civic DX D15B7 SOHC |
|
| OBD1 |
248 |
USDM |
P09-L00 |
Civic CX D15B8 SOHC |
1 wire o2(same as P05) |
| OBD1 |
248 |
USDM |
P05-L01 |
Civic CX D15B7 SOHC |
1 wire o2 |
| OBD1 |
249 |
USDM |
P05 |
Civic D16B7 SOHC |
1wire o2 |
| OBD1 |
251 |
USDM |
P28-A51/L51 |
92-95 Civic EX D16Z6 SOHC Vtec |
auto |
| OBD1 |
252 |
JDM |
P07-G01 |
Civic SOHC Vtec-E 1500 |
(2nd CPU) |
| OBD1 |
253 |
JDM |
P91-900 |
Civic EJ1 Coupe D16Z SOHC Vtec |
|
| OBD1 |
254 |
EDM |
P28-G01/G51 |
Civic SOHC D16Z6 Vtec |
|
| OBD1 |
259 |
JDM |
P70-900 |
ZC Vtec |
AT |
| OBD1 |
262 |
JDM |
P07-900 |
Civic SOHC Vtec-E 1500 |
auto |
| OBD1 |
269 |
JDM |
P72-? |
Integra B18C4 DOHC Vtec |
|
| OBD1 |
270 |
JDM |
P75-? |
Integra Integra B18B Esi DOHC |
|
| OBD1 |
273 |
USDM |
P72-? |
Integra B18C1-3 DOHC Vtec |
|
| OBD1 |
274 |
USDM |
P75-? |
Integra B18B LS DOHC |
|
| OBD1 |
283 |
JDM |
P08-N01 |
D15B SOHC Vtec |
|
| OBD1 |
300 |
USDM |
P05 |
Civic CX SOHC D15 (94-95) |
|
| OBD2 A |
301 |
USDM |
P2N-A31 |
96-98 Civic HX |
Second processor - 66201 |
| OBD1 |
301 |
USDM/CDN |
P06-A02 |
Civic DX D15B7 SOHC |
|
| OBD1 |
303 |
USDM |
P07 |
Civic VX D15Z1 SOHC Vtec |
|
| OBD1 |
304 |
USDM |
P28-A01 |
92-95 Civic EX D16Z SOHC Vtec |
manual |
| OBD1 |
305 |
USDM |
P30-A02 |
Civic/Delsol B16A DOHC Vtec |
Manual |
| OBD1 |
306 |
JDM |
P08-N01 |
D15B SOHC vtec |
|
| OBD1 |
309 |
JDM |
P91-901 |
92-95 Civic Coupe (sohc vtec 1.6) |
|
| OBD1 |
312 |
JDM |
P30-901 |
Civic B16A DOHC Vtec Automatic |
|
| OBD1 |
314 |
Oz DM |
P06-Q00/Q50 |
Civic D15B SOHC |
|
| OBD1 |
315 |
Oz DM |
P28-Q50 |
Civic D16Z? SOHC Vtec |
|
| OBD1 |
317 |
EDM |
P28-G02 |
Delsol D16Z6 SOHC Vtec |
'94 |
| OBD1 |
318 |
JDM/Export |
P30G-? |
Civic B16A DOHC Vtec |
|
| OBD2 A |
320 |
Oz DM |
P2P-Q01 |
96-98 Civic Ex D16Y8 |
MT, 66507, board M1Y-C 014T-L5000-01 1st gen immo, KS, no PA |
| OBD1 |
321 |
EDM |
P29-T01 |
Civic 92-95 |
ZC engine Without O2 |
| OBD1 |
327 |
US/JDM |
P28-? |
Civic D16Z SOHC Vtec |
auto w/datalogging |
| OBD2 A |
328 |
Canada |
P2P-A31 |
Civic EX 96-98 |
66507, L5000-01, PA, no immo |
| OBD1 |
332 |
USDM |
P75-? |
Integra B18B GS DOHC |
|
| OBD2 A |
338 |
USDM |
P72-??? |
Integra B18C1 |
MT, 66507, ??? |
| OBD2 A |
339 |
JDM |
P72-013 |
Integra B18C |
MT, 66507, board M1Y-C 014T-L5000-01 KS, no PA |
| OBD2 A |
340 |
USDM |
P75-??? |
Integra B18B ? |
??? |
| OBD2 A |
341 |
Oz DM |
P75-Q02 |
Integra GS B18B |
MT, 66507, board M1Y-C 014T-L5000-01 no PA, no immo, no KS |
| OBD2 A |
357 |
Oz DM |
P72-Q13 |
Integra B18C |
MT, 66507, board M1Y-C 014T-L5000-01 immo, KS, no PA |
| OBD2 A |
359 |
JDM |
P73-003 |
ITR B18C5 |
MT, 66507, no immo, no PA, knock |
| OBD2 A |
361 |
JDM |
P2T-J91 |
99-00 Civic Si B16A3 |
MT, 66507, board M1Y-C 014T-L5000-01 no PA, no immo, KS |
| OBD2 A |
365 |
EDM |
P2T-G01 |
96-99 Euro Civic VTI EK4 |
MT, PCB Denshigiken : M1Y-C 0014T-L5000-11, no PA sensor, Knock module, Immo module |
| OBD2 A |
388 |
Oz DM |
P2M-Q61 |
98 Civic D16Y |
AT, 66507 M1Y-C 014T-L5000-11 no PA, immo, KS |
| OBD2 A |
409 |
USDM? |
??? |
??? |
??? |
| OBD2 A |
422 |
USDM? |
P72 ??? |
??? |
??? |
| OBD2? |
471 |
USDM? |
??? |
Civic HX? |
? |
| OBD2? |
474 |
USDM? |
??? |
Integra ??? |
??? |
| OBD2? |
475 |
USDM? |
P75??? |
Integra LS ??? |
??? |
| OBD2 A |
484 |
Oz DM |
P2M-Q01 |
98 Civic D16Y |
MT, 66507 M1Y-C 014T-L5000-01 no PA, immo, KS |
| OBD2 A |
493 |
USDM |
P2P-A33 |
96-98 Civic Ex D16Y8 |
MT, 66507, board M1Y-C 014T-L5000-01 Has provision for immobilizer but not present |
| OBD2? |
497 |
USDM |
P73 ??? |
USDM ITR ??? |
??? |
| OBD2 A |
498 |
EDM |
P3F-G01 |
CR-V 97-98 B20B4 |
MT,66507, board M1Y-C 014T-L5000-01 no PA, immo?, KS? |
| OBD2 K |
505 |
Oz DM |
PRB-Q01 |
2001+ ITR DC5(aka RSX USA) |
|
| OBD2 K |
515 |
Oz DM |
PND-Q51 |
Integra |
66592 PA |
| OBD2 A |
526 |
Oz DM |
P5M-Q01/Q51 |
97-01 Prelude H22a |
MT/AT, 66p509, board E2Y-B 0014F-L5000-0, KS, immo, PA |
| OBD2 A |
083 |
EDM |
P5M-G61 |
97-01 Prelude H22a |
AT, M66509 @ 31 MHz, board E2Y-B 0014F-L5000-0, KS, immo, PA |
| OBD2 A |
527 |
Oz DM |
P5L-Q51 |
97-01 Prelude |
MT/AT, 66p509, board E2Y-B 0014F-L5000-0, immo, PA |
| OBD2 K |
669 |
USDM |
PAA-A06 |
CRV ??? ??? |
66Q592, immo? |
| OBD2 K |
686 |
Oz DM |
PPA-Q53 |
CRV 2002 K24 |
66Q592 PA, immo? |
| OBD2 A |
700 |
Oz DM |
P3F-Q01 |
? |
MT, 66507, board M1Y-C 014T-L5000-01 no PA, immo, no KS |
| OBD2 A |
711 |
USDM |
P2N-A31 |
96-98 Civic HX |
main processor - 66507 PCB: L1Y-D 0012B-L5001-00 |
| OBD2 A |
712 |
USDM |
P72-??? |
? |
??? |
| OBD0 |
713 |
Oz DM |
PP4-Q510 |
88-89 Concerto |
AT |
| OBD2 A |
713 |
JDM |
P73-023 |
ITR B18C5 |
MT, 66507, no immo, no PA |
| OBD2 A |
714 |
USDM |
P73-??? |
ITR B18C5 |
MT, 66507, .. |
| OBD2 A |
715 |
EDM |
P73-G01 |
ITR B18C6 |
MT, 66507, board M1Y-C 014T-L5000-01 no PA, immo, KS |
| OBD0 |
717 |
Oz DM |
PP4-Q020 |
88-89 Concerto |
|
| OBD2 A |
719 |
USDM |
P2P-A34 |
98 Civic D16Y8 |
66507, M1Y-C 0014T-L5000-21, PA, no immo |
| OBD0 |
721 |
EDM |
Pm7-000 |
CRX 89 |
|
| OBD2 A |
796 |
Oz DM |
P73-Q01 |
ITR B18C7 |
MT, 66507, board M1Y-C 014T-L5000-01 no PA, immo, KS |
| OBD2 A |
836 |
Oz DM |
PEA-Q50 |
Odessey 96 F22B |
KS, PA, 2nd gen immo |
| OBD2 B |
858 |
JDM |
PCT-J11 |
97-01 Civic EK9 CTR |
KS, no PA, no immo |
| OBD2 B |
866 |
Oz DM |
P2T-Q12 |
99-00 Civic Si B16A3 |
MT, 66589, board M2Y-D 0016Z-L5004-A0 2nd gen immo, KS, no PA |
| OBD2 B |
933 |
USDM |
P2T-A11 |
99-00 Civic Si B16A3 |
MT, 66589, board M2Y-D 0016Z-L5004-A0 Provision for immobilizer? |
| OBD1 |
952 |
Oz DM |
P75-Q51 |
95 Integra B18A |
AT NEC B5J-D 2D190-1501 |
| OBD1 |
? |
USDM |
P28-L50 |
92-95 Civic D16Z6 SOHC Vtec |
AT, 66207, 02D01720-1500, California, actually P30 code (!) |
| ? |
? |
Oz DM |
P2K-Q01 |
96 Civic EK1 GLi SOHC non-VTEC (D16Y4) |
Manual, 'denshigiken' brand |
| OBD1 |
B4 |
JDM |
P51-900 |
92 Ascot Innova 2,3Si-Z H23A DOHC |
66911 |
| OBD1 |
|
JDM |
P30-900 |
91 EG9 Civic Ferio Sir B16A AT (155 hp 15,6 kg*m) |
This dump was in an external ROM of the stock P30-900 ECU. |
| OBD1 |
|
JDM |
P30-901 |
92 EG6 Civic Sir B16A AT (155 hp 15,6 kg*m) |
This dump was in an internal ROM of the stock P30-901 ECU. But Crome opens it as a P28 Based... This ECU doesn't have ELD. |
| OBD1 |
|
JDM |
P30-950 |
92 EG2 CRX Del-Sol Sir B16A MT (170 hp 16 kg*m) |
This dump was in an external ROM of the stock P30-950 ECU. You can upgrade your second generation B16A (CR is 10,4:1) with tables of this dump up to 170 hp and 16 kg*m. |
| OBD1 |
|
USDM |
P30-A10 |
94-95 Del-Sol B16A |
Automatic |
Source: pgmfi.org - Share Alike License
OBD1"OBD1" is generally used to refer to honda engine electronics from 92-95. Accords/Preludes used OBD1 connectors as early as 1990. This is not an official standard, unlike OBD2. OBD1 ECUs (92-95) P05 : 92-95 OBD-1 Civic CX (D15B) P06 : 92-95 OBD-1 Civic DX (D15B) P07 : 92-95 OBD-1 Civic VX (D15Z1) P08 : 92-95 OBD-1 Civic/CRX VTi/VXi (sohc vtec) PR3 : 92-93 OBD-1 JDM Integra RSi/XSi (B16A) PR4 : 92-93 OBD-1 Integra RS/LS/GS (B18A) P27 : 92-95 OBD-1 Euro/Asian Civic (non-vtec 1.6l) P28 : 92-95 OBD-1 Civic Si/Ex (sohc vtec d16z6) P29 : 92-95 OBD-1 JDM Domani (sohc zc) P30 : 92-95 OBD-1 USDM Del Sol DOHC Vtec Si/EG SiR P51 : 92-93 OBD-1 JDM Ascot Innova 2.3l Si-Z H23A CC-4 DOHC non-vtec P54 : 92-95 OBD-1 JDM Domani/1.8l Accord (1.8L B18B DOHC) P61 : 92-93 OBD-1 Integra GSR P70 : 92-95 OBD-1 Domani (sohc vtec zc - no oil pressure sensor reading) P71 : 92-95 OBD-1 Integra (sohc vtec d16a) P72 : 94-95 OBD-1 Integra GSR P74/75 : 94-95 OBD-1 Integra RS/LS/GS P76: 94-95 OBD-1 JDM Integra (sohc zc) P84 : 92-95 OBD-1 JDM Civic ETi (VTEC-E auto) P91 : 92-95 OBD-1 JDM Civic Coupe (sohc vtec 1.6) P11 : 92-95 OBD-1 Prelude 2.0i BB3 (F20A4 non-vtec) P0 A : 94-95 OBD-1 Accord EX (F22B) P0 C : 92-95 OBD-1 Accord 2.2L (??? F22B DOHC non-vtec) P39 : 92-95 OBD-1 JDM Accord SOHC VTEC P13 : 93-95 OBD-1 Prelude Vtec (H22A) P14 : 93-95 OBD-1 Prelude Si (non Vtec - H23A) PT3 : 90-93 OBD-1 Accord SOHC F22A non-vtec OBD-1 PK2 : 88-91 OBD-0 Prelude (B20A5 motor) OBD-0 Plugs PK3 : 90-91 OBD-1 Prelude (B21a1 motor) OBD-1 Plugs PR7 : 92-95 OBD-1 NSX C-series V6 |
