List of all of the GM OBD1 codes - Third Generation F-Body Message Boards


Go Back   Third Generation F-Body Message Boards > Tech Boards > Tech / General Engine
Search

Tech / General Engine Is your car making a strange sound or won't start? Thinking of adding power with a new combination? Need other technical information or engine specific advice? Don't see another board for your problem? Post it here!

List of all of the GM OBD1 codes

Reply
 
Thread Tools Search this Thread
Old 02-26-2010, 07:17 PM   #1
Supreme Member
 
ericjon262's Avatar
 
Join Date: Nov 2008
Location: Displaced Floridian/Goose Creek, SC
Posts: 1,503
Car: 85 2M6 Fiero '86 K20 'Burban '70GMC
Engine: LX9, 350, LS9
Transmission: F23, TH400, TH350
Axle/Gears: ???, 4.10 14 bolt, 12 bolt

Send a message via AIM to ericjon262
List of all of the GM OBD1 codes

thought this might be useful, Here ya go. the blue means the code isn't aplicable to all models.

Quote:
Originally Posted by GM tuners .com

GM OBD-1 Diagnostic Trouble Codes
For 1995-previous model year EFI-equipped GM vehicles. NOTE: Some codes not supported on all models, consult your specific vehicle's service manual for the correct trouble code list and description for your application.
DTC - 12 No distributor reference pulse (diagnostic test active)
DTC - 13 Oxygen sensor circuit open or no activity
DTC - 13 Left bank O2 sensor circuit open or no activity
DTC - 14 Engine coolant temp sensor error (high temp indicated)
DTC - 15 Engine coolant temp sensor error (low temp indicated)
DTC - 16 System voltage too low
DTC - 17 Camshaft position sensor error
DTC - 21 Throttle Position sensor error (signal high)
DTC - 22 Throttle position sensor error (signal low)
DTC - 23 Intake air temp sensor error (low temp indicated)
DTC - 24 Vehicle speed sensor error (open circuit or no activity)
DTC - 25 Intake air temp sensor error (high temp indicated)
DTC - 26 Quad Driver Module (QDM A) error
DTC - 28 Auto transmission range pressure switch error
DTC - 31 Wastegate solenoid circuit error
DTC - 31 Gear Position Switch (PRNDL) error
DTC - 32 EGR system failure
DTC - 33 MAP sensor circuit error (signal high indicating low vacuum)
DTC - 34 MAP sensor circuit error (signal low indicating high vacuum)
DTC - 35 IAC problem or idle error
DTC - 36 MAF sensor error
DTC - 36 24x Crankshaft position sensor circuit error
DTC - 36 4T60-E Shifting Error
DTC - 37 TCC brake switch circuit error
DTC - 38 TCC brake switch circuit error
DTC - 39 Clutch switch circuit error
DTC - 39 TCC error
DTC - 41 Ignition control error
DTC - 41 MEM-CAL error
DTC - 41 C≥I Cam Sensor Signal error
DTC - 42 Ignition bypass circuit error
DTC - 43 Knock sensor error
DTC - 44 Oxygen sensor error (lean condition indicated)
DTC - 44 Left bank O2 sensor error (lean condition indicated)
DTC - 45 Oxygen sensor error (rich condition indicated)
DTC - 45 Left bank O2 sensor error (rich condition indicated)
DTC - 46 Pass-Key II (VATS) system error - circuit out of freq range
DTC - 47 UART (serial data) circuit error
DTC - 51 PROM error
DTC - 51 Incorrect MEM-CAL
DTC - 52 Fuel cal-pak incorrect or missing
DTC - 53 System voltage too high
DTC - 53 Digital EGR Valve solenoid 1 error
DTC - 54 Fuel pump circuit low voltage
DTC - 54 Digital EGR Valve solenoid 2 error
DTC - 55 ECM error
DTC - 55 Digital EGR Valve solenoid 3 error
DTC - 56 Quad Driver Module (QDM B) error
DTC - 57 Boost Control error
DTC - 58 Trans fluid temp sensor circuit error (low voltage)
DTC - 58 VATS system error
DTC - 59 Trans fluid temp sensor circuit error (high voltage)
DTC - 61 A/C system performance
DTC - 63 Right bank O2 sensor circuit error
DTC - 63 MAP sensor circuit signal voltage high (low vacuum indicated)
DTC - 64 Right bank O2 sensor lean exhaust indicated
DTC - 64 MAP sensor circuit signal voltage low (high vacuum indicated)
DTC - 65 Right bank O2 sensor rich exhaust indicated
DTC - 66 A/C pressure sensor circuit error (low pressure indicated)
DTC - 67 A/C pressure sensor circuit error
DTC - 68 A/C clutch relay circuit error (shorted to ground)
DTC - 69 A/C clutch relay circuit error (open circuit indicated)
DTC - 69 A/C high pressure switch error
DTC - 70 A/C pressure sensor circuit error (high pressure indicated)
DTC - 71 A/C evaporator temp sensor circuit error (low temp indicated)
DTC - 72 VSS signal circuit error
DTC - 73 A/C evaporator temp sensor circuit error (high temp indicated)
DTC - 75 Digital EGR solenoid #1 circuit error
DTC - 76 Digital EGR solenoid #2 circuit error
DTC - 77 Digital EGR solenoid #3 circuit error
DTC - 79 Transmission fluid overtemp
DTC - 80 Transmission component slipping
DTC - 82 3x Crankshaft position sensor circuit error
DTC - 85 PROM error
DTC - 86 A/D error
DTC - 87 EEPROM error (flash memory error)
DTC - 90 TCC error
DTC - 93 Transmission pressure control solenoid circuit error
DTC - 96 Transmission system voltage low
DTC - 98 Invalid PCM program
DTC - 99 Invalid PCM program


-Eric J.
__________________
currently 3rdgen-less.

06 Silverado 2500HD 4x4 single cab long bed work truck.

'85 Fiero fully built LX9, F23 5 speed, custom everything...

1986 K20 Suburban Silverado 4x4. slow, and stock.

Last edited by ericjon262; 02-26-2010 at 10:38 PM.
ericjon262 is offline vBGarage Page   Reply With Quote
Old 03-02-2010, 03:00 PM   #2
Member
 
Join Date: Jan 2010
Location: San Diego, CA
Posts: 288
Car: 1990 RS Camaro
Engine: 305 TBI
Transmission: T-5 stick

Re: List of all of the GM OBD1 codes

this should be stickied!
sparkplug619 is offline vBGarage Page   Reply With Quote
Old 08-23-2012, 11:15 AM   #3
Junior Member
 
Join Date: Aug 2012
Location: middleburg fl
Posts: 10
Car: 1989 pontiac firebird f-body
Engine: 2.8l v6
Axle/Gears: 3.42 rear end

Re: List of all of the GM OBD1 codes

I actually book marked on my phone
purtyfbird450r is offline vBGarage Page   Reply With Quote
Old 08-26-2012, 03:48 PM   #4
Junior Member
 
Join Date: Aug 2012
Posts: 4

Re: List of all of the GM OBD1 codes

I'm getting an OBD1 code 11, with a CEL, on my 1995 Firebird Formula... Anyone have any ideas wth is going on with it??

Gary B>
Darkside

Last edited by Darksides Calli; 08-26-2012 at 03:53 PM.
Darksides Calli is offline vBGarage Page   Reply With Quote
Old 08-26-2012, 11:34 PM   #5
Supreme Member
iTrader: (13)
 
Join Date: Apr 2005
Location: Not in Kansas anymore
Posts: 7,708
Car: 90 Vette
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: 9" 3.73


Re: List of all of the GM OBD1 codes

Quote:
Originally Posted by Darksides Calli View Post
I'm getting an OBD1 code 11,
I would say you have big problems given that the lowest code number is 12
vetteoz is offline vBGarage Page   Reply With Quote
Old 08-27-2012, 09:26 PM   #6
Senior Member
 
Black88Z's Avatar
 
Join Date: Nov 2011
Location: Charlotte, NC
Posts: 507
Car: 1988 IROC-Z Camaro, 1981 Trans Am
Engine: 350 TPI, 301 N/A
Transmission: 700r4, 350thm

Re: List of all of the GM OBD1 codes

Quote:
Originally Posted by vetteoz View Post
I would say you have big problems given that the lowest code number is 12


12 is normal, you should always get 12.

Heres another site with similar info that ive found useful:

http://www.theimportkiller.com/forum...hp?topic=420.0
Black88Z is offline vBGarage Page   Reply With Quote
Old 08-28-2012, 10:43 PM   #7
Junior Member
 
Join Date: Aug 2012
Posts: 4

Re: List of all of the GM OBD1 codes

Found out that OBD-1 has a legitimate code 11, for the Malfunction indicator lamp circuit.. somebody posted the details on my other thread here...

http://www.thirdgen.org/techboard/te...rmula-obd.html

Last edited by Darksides Calli; 08-28-2012 at 10:48 PM.
Darksides Calli is offline vBGarage Page   Reply With Quote
Old 05-31-2013, 07:55 PM   #8
Junior Member
iTrader: (4)
 
Join Date: Aug 2012
Location: South Fla
Posts: 72
Car: 87' Iroc z / 89' GTA
Engine: 5.7 TPI / 383 TPI
Transmission: 700R4
Axle/Gears: 2.73 / 3.27

Re: List of all of the GM OBD1 codes

Thank you!! very helpful!!!
87Iroc5.0 is offline vBGarage Page   Reply With Quote
Old 07-30-2015, 03:29 PM   #9
Junior Member
 
Join Date: Nov 2014
Location: Newburgh New York
Posts: 35
Car: 1987 Pontiac Firebird
Engine: 2.8 X V6
Transmission: 4 speed Auto

Re: List of all of the GM OBD1 codes

Will this work on my 87 2.8 V6
__________________
<img src=http://i1278.photobucket.com/albums/y520/erod017/b1ff847b0464e101c8f6a6ad9756d745_zpsc965050e.jpg border=0 alt= class=post_inline_image />
E Rod is offline vBGarage Page   Reply With Quote
Old 11-05-2015, 08:51 AM   #10
Junior Member
 
Mike M's Avatar
 
Join Date: Jul 2002
Location: central North Carolina
Posts: 78


Send a message via ICQ to Mike M Send a message via AIM to Mike M Send a message via Yahoo to Mike M
Re: List of all of the GM OBD1 codes

The same code can mean something totally different if the car came with a carb.
Here is a more comprehensive list:

GM 2 Digit codes for 82 and up (non OBD-II) code definition
12- diagnostic mode
13- 02 sensor or circuit
14- coolant sensor or circuit/ high temp indicated
15- coolant sensor or circuit/ low temp indicated
16- system voltage out of range
19- crankshaft position sensor or circuit
21- throttle position sensor or circuit- voltage high
22- throttle position sensor or circuit- voltage low
------------------------------------------------------------
23- mixture control (m/c) solenoid or circuit (carbureted models)
23- manifold air temperature (mat) sensor or circuit (1990 and earlier models)
23- intake air temperature (iat) sensor circuit (fuel-injected models)
------------------------------------------------------------
24- vehicle speed sensor (vss) or circuit
------------------------------------------------------------
25- manifold air temperature (mat) sensor or circuit - high temperature indicated (1990 and earlier models)
25- intake air temperature (iat) sensor or circuit - high temperature indicated (1991 and later models)
------------------------------------------------------------
26- quad driver module circuit
27- quad driver module circuit
28- quad driver module circuit
29- quad driver module circuit
31- park/neutral position (pnp) switch circuit
------------------------------------------------------------
32- baro sensor or circuit (carbureted models)
32- egr circuit (fuel-injected models)
------------------------------------------------------------
33- manifold absolute pressure (map sensor signal voltage high
33- mass air flow (maf) sensor or circuit - excessive airflow indicated
------------------------------------------------------------
34- manifold absolute pressure (map) sensor signal voltage low
34- mass air flow (maf) sensor signal - low airflow indicated
------------------------------------------------------------
35- idle speed control (isc) switch or circuit (shorted) (carbureted models)
35- idle air control (iac) valve/ circuit
------------------------------------------------------------
38- brake switch circuit
39- torque converter clutch (tcc) circuit
------------------------------------------------------------
41- no distributor signals to ecm, or faulty ignition module ( carbureted models)
41- cylinders select error- mem-cal or ecm problem ( fuel-injected models
41- cam sensor circuit (3.8 engine)
------------------------------------------------------------
42- bypass or electronic spark timing (est) circuit
------------------------------------------------------------
43- low voltage at ecm terminal l (carbureted models)
43- knock sensor circuit
------------------------------------------------------------
44- oxygen sensor or circuit - lean exhaust detected
45- oxygen sensor or circuit - rich exhaust detected
46- power steering pressure switch circuit
48- misfire diagnosis
51- prom, mem-cal or ecm problem
52- calpak or ecm problem
------------------------------------------------------------
53- egr fault (carbureted models only)
53- system over-voltage (ecm over 17.7 volts)
------------------------------------------------------------
54- mixture control (m/c) solenoid or circuit (carbureted models)
54- fuel pump circuit (1986 and later models)
------------------------------------------------------------
55- oxygen sensor circuit or ecm
55- fuel lean monitor (2.2l engine)
------------------------------------------------------------
61- oxygen sensor signal faulty (possible contaminated sensor)
62- transaxle gear switch signal circuits
63- manifold absolute pressure (map) sensor voltage high (low vacuum detected)
64- manifold absolute pressure (map) sensor voltage low (high vacuum detected)
66- pressure sensor or circuit air conditioning
67- A/C pressure sensor circuit error
68- A/C clutch relay circuit error (shorted to ground)
69- A/C clutch relay circuit error (open circuit indicated)
69- A/C high pressure switch error
70- A/C pressure sensor circuit error (high pressure indicated)
71- A/C evaporator temp sensor circuit error (low temp indicated)
72- VSS signal circuit error
73- A/C evaporator temp sensor circuit error (high temp indicated)
75- Digital EGR solenoid #1 circuit error
76- Digital EGR solenoid #2 circuit error
77- Digital EGR solenoid #3 circuit error
79- Transmission fluid overtemp
80- Transmission component slipping
82- 3x Crankshaft position sensor circuit error
85- PROM error
86- A/D error
87- EEPROM error (flash memory error)
90- TCC error
93- Transmission pressure control solenoid circuit error
96- Transmission system voltage low
98- Invalid PCM program
99- Invalid PCM program

you're welcome
__________________
The 1984-1986 Berlinetta is unique in the world of Camaro's. Its' coolness still appeals today.

Last edited by Mike M; 11-05-2015 at 08:57 AM.
Mike M is offline vBGarage Page   Reply With Quote
Reply

Similar Threads
Thread Thread Starter Forum Replies Last Post
1982-1992 Pontiac Firebird T-Top Weatherstrip Seal Kit 1ATony Sponsored Vendors 1 01-15-2016 06:26 AM
October 2015 COTM **Nomination Thread** Linson Auto Detailing and Appearance 26 09-21-2015 01:08 PM
1982-1992 Chevy Camaro T-Top Weatherstrip Seal Kit 1ATony Sponsored Vendors 0 09-10-2015 02:02 PM
5 reasons to follow CARiD on Facebook carid Sponsored Vendors 0 09-10-2015 09:33 AM
Where To Get A Factory Style Close Ratio Steering Box? 83 Crossfire TA Suspension and Chassis 0 09-08-2015 12:06 PM


Go Back   Third Generation F-Body Message Boards > Tech Boards > Tech / General Engine

Tags
1990, 24x, 26, 32, 36, camaro, circuit, code, codes, crankshaft, dtc, error, gm, obd, obd1, position, sensor, trouble

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -5. The time now is 06:07 AM.


All content copyright © 1997 - 2014 ThirdGen.org. All rights reserved. No part of this website may be reproduced without the expressed, documented, and written consent of ThirdGen.org's Administrators.