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Honda Civic Forum
Honda Civics by Generation
7th Generation Civic 2001 - 2005
Mechanical Problems/Vehicle Issues and Fix-it Forum
Engine
ECU Fried
ECU Fried
7th Gen cars have a Chronic issue - alternator bolts get loose and the loss of grounding will eventually fry the ECU
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ECU Fried
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2004 Lx gone into limp mode, need new Ecu???
Mandem
on Oct 4, 2021
Dec 17, 2025
by
Ricklin86
12
1,049
Need help with diag. Rough idle. Possible ECU?
Jellis84
on Aug 25, 2025
Aug 27, 2025
by
sdaidoji
7
456
Alternator fried ECU replace ECU now obd2works off and on
Reddon86
on May 17, 2022
May 18, 2022
by
sdaidoji
7
1,348
Rpm sporadic at idle gauges go out and clicking noise in glove box
Moisesmc
on May 8, 2019
Mar 6, 2022
by
alachicky
8
7,170
P1607 [solved]
Jrstrick
on Mar 1, 2022
Mar 1, 2022
by
sdaidoji
8
5,268
2004 Civic EX (1.7 L) - High Idle
SuradMister
on Nov 3, 2021
Jan 31, 2022
by
xRiCeBoYx
12
4,618
Poll
Ecu
Shahid Sikander
on Jan 27, 2022
Jan 27, 2022
by
sdaidoji
1
545
2002 Civic No OBD reading
Bigrod
on Dec 26, 2021
Dec 26, 2021
by
sdaidoji
1
770
Is this an ECU issue or something else?
ajee.martin13
on Aug 9, 2021
Oct 8, 2021
by
Colin42
20
959
Where to find replacement ECU
LS2729
on Aug 23, 2021
Aug 24, 2021
by
ezone
3
1,181
04 Civic 1.7 L engine. Cannot read the OBD check engine light
tott2692002
on Jun 14, 2021
Jun 15, 2021
by
Colin42
4
974
ECU Fried?
XSRCivic
on Feb 13, 2006
Jun 7, 2021
by
FRSam
29
19,045
Cranks no start [solved]
SergeB
on Apr 15, 2021
May 1, 2021
by
D17VTECPOWER
17
1,902
02 Civic EX
Fairlane6t9
on Apr 29, 2021
Apr 30, 2021
by
sdaidoji
4
604
Running rough after alternator work
04 civic black
on Mar 15, 2021
Mar 16, 2021
by
BrotatoChip
8
927
No RMP or Temp gauge, sputtering engine, stalling
CivicNewbie10
on Feb 16, 2021
Feb 26, 2021
by
BrotatoChip
10
1,412
Need help with diagnosis
Cory Walaitis
on Sep 19, 2020
Sep 20, 2020
by
Colin42
2
635
ECM/ECU failure
michaelj
on Jul 16, 2020
Jul 21, 2020
by
BrotatoChip
19
6,065
2001 civic si/green key light is flashing/on power/rpm n temp gauge dont work
SILENTPEPSI
on Aug 23, 2012
Jun 27, 2020
by
ezone
12
45,493
Ecu/ecm isnt connecting to scan tool help!!!!
Maxx1234
on Mar 20, 2020
Mar 24, 2020
by
Maxx1234
13
4,400
Poll
Ecu Blown
HAYDEN1440
on Feb 29, 2020
Mar 2, 2020
by
HAYDEN1440
5
956
Ecu plus multiple issues
IDriveACivic
on Nov 8, 2019
Nov 30, 2019
by
Slumpertcivic
11
1,414
Civic 2005 ECU replacement question
photiost
on Sep 14, 2019
Nov 22, 2019
by
Colin42
2
1,858
2001 Civic
Trung Nguyen
on Sep 22, 2019
Oct 5, 2019
by
Trung Nguyen
24
2,468
OBDII will not link
OKCEM2
on Apr 17, 2019
Sep 16, 2019
by
KevinAnderson
11
7,189
Ecu fried, now how to prevent new one from doing the same
shoemakerr
on Sep 4, 2019
Sep 5, 2019
by
shoemakerr
3
1,562
04 civic ex coupe
itskelly36
on Aug 5, 2019
Aug 9, 2019
by
Slumpertcivic
25
1,409
2003 Civic LX Manual limp mode and more!
Caroncorps1
on Apr 9, 2019
Apr 10, 2019
by
Colin42
3
6,599
Limp mode. My car went into limp mode and the rpm dont work and the temperautue gage
James81
on Sep 10, 2018
Sep 10, 2018
by
ezone
5
6,090
2002 Civic EX Computer Help!!
(
1
2
)
Sedens
on Oct 21, 2011
Jul 6, 2018
by
ezone
54
62,515
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