OBD1 DTC Picture Database

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09-08-2009, 09:44 AM

meissen

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Join Date: Jan 2004

Location: Chesterfield Twp, MI

Posts: 2,111

OBD1 DTC Picture Database

I'm always referencing my service manual to help people out in the threads so I figured instead of always having to say "Wait until I get home so I can pull that up..." I'd take a picture of every since DTC summary and troubleshooting chart from my 1995 OEM Service Manual.

I've included a list of what each OBD1 DTC code means courtesy of Injuneer.com and then below is each of my pictures of the DTC codes. Took me about 2 hours of going through and taking each picture, rotating them, downsizing, uploading... If it helps someone, then it's time well spent IMO!

Courtesy of Injuneer.com:

Quote:

11 - SES lamp circuit
13 - Bank 1 (left) O2 sensor, open circuit
14 - Coolant temp sensor, signal voltage low, high temperature
15 - Coolant temp sensor, signal voltage high, low temperature
16 - OptiSpark low resolution pulse not found
18 - Injector circuits
21 - TPS voltage high
22 - TPS voltage low
23 - IAT sensor, signal voltage high, low temperature
24 - VSS circuit
25 - IAT sensor, signal voltage low, high temperature
26 - Evaporative emissions canister purge solenoid circuit
27 - EGR solenoid circuit
28 - Transmission range pressure switch fault
29 - AIR pump circuit
32 - EGR recirculation
33 - MAP sensor, signal voltage high, low vacuum
34 - MAP sensor, signal voltage low, high vacuum
36 - OptiSpark high resolution signal faulty
37 - Brake switch stuck "on"
38 - Brake switch stuck "off"
41 - Ignition control circuit, open
42 - Ignition control circuit, short or grounded
43 - Knock sensor circuit
44 - Bank 1 (left) O2 sensor, lean
45 - Bank 1 (left) O2 sensor, rich
46 - PASS-Key II circuit
47 - Knock sensor module circuit, or module missing
48 - MAF sensor circuit
51 - EEPROM program error
53 - System voltage high
55 - Fuel lean monitor
58 - Transmission fluid temp circuit, voltage low, high temperature
59 - Transmission fluid temp circuit, voltage high, low temperature
61 - A/C system performance
63 - Bank 2 (right) O2 sensor, open circuit
64 - Bank 2 (right) O2 sensor, lean
65 - Bank 2 (right) O2 sensor, rich
66 - A/C refrigerant pressure sensor circuit, open or shorted
67 - A/C refrigerant pressure sensor circuit, pressure sensor or clutch problem
68 - A/C relay circuit, shorted
69 - A/C clutch circuit
70 - A/C clutch relay driver
71 - A/C evaporator temp sensor circuit
72 - VSS loss
73 - Pressure control solenoid circuit, current error
74 - TCS circuit low
75 - Transmission system voltage low
77 - Cooling fan relay control circuit
79 - Transmission fluid overtemp
80 - Transmission component slipping
81 - Transmission 2-3 shift solenoid circuit
82 - Transmission 1-2 shift solenoid circuit
83 - (M6) Reverse inhibit system
84 - (A4) Transmission 3-2 control solenoid circuit
84 - (M6) Skip shift solenoid circuit
85 - Transmission TCC stuck "on"
90 -Transmission TCC solenoid circuit
91 - Skip shift lamp circuit
97 - VSS output circuit