Read Check Engine Codes 95 1/2 Chevy Blazer

Accessing GM OBD1 Trouble Codes

• Plow ignition switch to OFF position
• Locate Data Link Connector (DLC), see epitome below.
• Jumper the A&B terminals(a newspaper clip or a jumper wire piece of work ok)
• Turn Ignition switch to ON position.
• Count the flashes on the "Check ENGINE" or "SERVICE ENGINE" light.
• Wink, pause, Wink, FLASH = code 12
• Annotation: Some 94 & 95 models do non have the B terminal. In which case a scanner is required.
• NOTE: Some 94 & 95 models that DO accept the A & B terminals even so crave a scanner.
• All vehicles after 96 are OBDII,and crave a scanner to access them.

12 Pivot DLC

A – Ground	F – TCC
B – Exam Terminal	Thou – Fuel Pump
C – Air Injection	H – Brake Sense Speed Input
E – Serial Information	M – Serial Information

Clearing Trouble Codes

Diagnostic trouble codes may exist cleared by disconnecting the battery ground cable for at least 20 seconds. Reconnect negative battery cable and recheck codes to confirm the repair.

GM Specific Codes

GM OBD1 Codes
13	O2 sensor or circuit
14	coolant sensor/high temp
xv	coolant temp/low temp
16	system voltage high (3.8L) DIS circuit
17	crank signal circuit ECM fault crank position sensor excursion (3.8L)
18	crank signal circuit ECM fault injector circuit (vin P-5.7L)
19	fuel pump excursion(shorted) creepo position sensor(88-91)
twenty	fuel pump circuit (open up)
21	TPS circuit
21/22	grounded WOT circuit
23	MAT circuit IAC sensor (95 models)
24	vehicle speed sensor
22	TPS out of adjustment
25	MAT excursion
26	Quad driver circuit Throttle switch shorted
27	throttle switch open
28	Manual range force per unit area switch
31	park/neutral switch cam sensor excursion EGR circuit (88-90) MAP sensor (shorted)
32	BARO sensor circuit(carb models) EGR circuit(injected models) MAP sensor(open)
33	MAP sensor(low vacuum) MAF sensor MAP sensor(voltage high)
34	MAP sensor(voltage low) MAF sensor
35	IAC valve or circuit idle speed control circuit(shorted)
36	MAF sensor DIS arrangement(quad 4) transaxle shift command (three.8L)
37	MAT sensor temp loftier (iii.8L) brake switch(4L60-Eastward trans)
38	brake input circuit MAT sensor temp depression(84-86)
39	TCC knock sensor shorted(iv.3L)
forty	power steering pressure switch
41	faulty ignition module cam sensor (3.8L)
42	EST circuit
43	ESC circuit knock sensor signal
45	O2 sensor(exhaust rich)
46	vehicle anti-theft system
47	air status clutch and prowl circuit
51	PROM,MEM CAL or ECM trouble (3.1L)
52	CALPK or ECM problem (iii.1L)
53	system overvoltage EGR system (carb models) alternator out of range
54	fuel pump excursion EGR fault (3.8L)
55	O2 sensor or ECM
56	vacuum sensor Quad drvier B (iii.8L)
58	Trans code-TTS temp loftier
59	Trans code-TTS temp depression
61	O2 sensor signal faulty
63	MAP sensor voltage loftier
64	MAP sensor voltage low RH side O2 sensor lean
65	RH side O2 sensor rich
66	3-2 Control solenoid circuit fault(4L60-E) A/C pressure level sensor excursion out of range
67	TCC solenoid excursion (4L60-E)
68	O/D ratio error (4L80-E)
69	TCC stuck on (4L60-Eastward &4L80-E) A/C caput force per unit area switch circuit
72	VSS circuit loss manual output betoken
73	trans force per unit area control solenoid
74	Trans input speed error (4L80-E)
75	system voltage low
79	Transmission fluid temp high
81	manual ii-3 error
82	transmission 1-ii fault
83	TCC solenoid excursion fault
85	undefined gear ratio
86	low gear ratio mistake
87	high gear ratio mistake

For GM OBD2 Codes, delight run into our Full List of GM OBD2 Codes or specific model pages below

GM OBD/OBD2 Codes By Year

Select Your Vehicle Below
Year	Eng	8th digit of the VIN Number	Model
82-83	2.5L	All
82-83	3.0L	All
86	1.8L	Multi Port Fuel Injection, VIN J
86	one.8L	Throttle Body Injection, VIN 0
86	ii.0L	Throttle Body Injection, VIN P
86	2.5L	Throttle Body Injection, VIN 2
86	2.8L	Carb, VIN X
86	iii.8L	Fuel Injection, VIN B
86-87	iii.8L	Carb, VIN A
86-87	4.1L	4.1L Fuel Injection, VIN 8
86-87	5.0L	5.0L Carburetor, VIN nine
86-88	2.5L	Throttle Body Injection, VIN U
86-88	2.5L	Throttle Body Injection, VIN R
86-88	ii.8L	Multi Port Fuel Injection, VIN 9
86-88	3.0L	Multi Port Fuel Injection, VIN 50
86-88	iii.8L	Fuel Injection, VIN seven
86-88	iii.8L	Fuel Injection, VIN three
86-88	5.0L	Carburetor, VIN H
86-88	5.0L	Carburetor, VIN Yard
86-88	v.7L	Fuel Injection, VIN 8
86-88	5.7L	Carburetor, VIN 6
86-89	2.8L	Multi Port Fuel Injection, VIN W
86-89	2.8L	Multi Port Fuel Injection, VIN Due south
86-89	5.0L	Fuel Injection, VIN F
86-90	4.3L	Throttle Body Injection, VIN Z
87-88	two.0L	Throttle Torso Injection, VIN i
87	2.8L	Throttle BodyInjection VIN R
87-88	4.1L	Multi Port Fuel Injection, VIN 7
87-90	two.0L	Multi Port Fuel Injection, VIN M
87-xc	5.0L	Carb, VIN Y
87-91	2.0L	Throttle Trunk Injection, VIN G
88-89	2.3L	Multi Port Fuel Injection, VIN D
88-89	3.1L	Multi Port Fuel Injection, VIN T
88-89	4.5L	VIN 5
88-90	three.8L	VIN C
88-93	5.0L	Throttle Body Injection, VIN Due east	CADILLAC Brougham
89	ii.0L	Throttle Body Injection, VIN 1
89	two.3L	Multi Port Fuel Injection, VIN A
89	3.1L	Multi Port Fuel Injection, VIN V
89	5.7L	VIN 8
89-90	5.7L	Throttle Body Injection, VIN 7
89-95	five.7L	VIN K
89-91	2.5L	Throttle Torso Injection, VIN R
89-91	three.3L	Multi Port Fuel Injection, VIN N
xc	two.3L	Multi Port Fuel Injection, VIN D
xc	ii.3L	Multi Port Fuel Injection, VIN A
90	3.8L	VIN L
90	four.5L	VIN 3
ninety	5.7L	VIN J
90-91	2.2L	Throttle Trunk Injection, VIN Chiliad
90-91	3.1L	Multi Port Fuel Injection, VIN V
90-91	five.0L	VIN F
90-91	five.7L	VIN eight
91	two.3L	Multi Port Fuel Injection, VIN D
91	2.3L	Multi Port Fuel Injection, VIN A
91	3.8L	VIN C
91	3.8L	VIN 50
91	4.9L	VIN B
91	5.7L	Throttle Body Injection, VIN seven	CADILLAC Fleetwood
91	5.7L	VIN J
91-92	1.9L	Throttle Trunk Injection, VIN nine
91-92	1.9L	Single Port Fuel Injection, VIN 7
91-92	3.4L	Multi Port Fuel Injection, VIN Ten
91-92	iv.5L	VIN 8	CADILLAC Allante
92	2.0L	Multi Port Fuel Injection, VIN H
92	ii.2L	VIN 4
92	2.3L	Multi Port Fuel Injection, VIN D
92	2.3L	Multi Port Fuel Injection, VIN A
92	ii.3L	Multi Port Fuel Injection, VIN 3
92	2.5L	Throttle Body Injection, VIN R	BUICK Century, CHEVROLET Lumina, OLDSMOBILE Cutlass Ciera/Cruiser
92	3.1L	VIN T	CHEVROLET Camaro
92	3.1L	VIN T	PONTIAC Firebird
92	3.8L	VIN L	OLDSMOBILE Toronado, OLDSMOBILE Trofeo
92	iv.3L	VIN Z	CHEVROLET Caprice Wagon
92	4.3L	VIN Z	OLDSMOBILE Bravada
92	v.0L	VIN E	CHEVROLET Caprice
92	5.0L	VIN F
92	5.0L	VIN Due east/F	CHEVROLET Camaro
92	5.0L	VIN Due east/F	PONTIAC Firebird
92	5.7L	Throttle Body Injection, VIN seven	CADILLAC Broughman
92	5.7L	VIN 7	CHEVROLET Caprice
92	5.7L	VIN 8	CHEVROLET Camaro
92	5.7L	VIN J
92	5.7L	VIN 8
92	5.7L	VIN 8	PONTIAC Firebird
92-93	i.6L	VIN 6	PONTIAC LeMans
92-93	ii.5L	VIN A	GMC Sonoma
92-93	2.8L	VIN R	GMC Sonoma
92-93	three.1L	VIN T/M	PONTIAC Grand Prix
92-93	3.1L	VIN T	OLDSMOBILE Cutlass Supreme
92-93	3.3L	Multi Port Fuel Injection, VIN N	OLDSMOBILE Achieva
92-93	3.3L	VIN N	BUICK Skylark
92-93	3.3L	VIN North	PONTIAC One thousand AM
93	3.3L	VIN N	OLDSMOBILE Cutlass Ciera/Cruiser
92-93	3.4L	VIN 10	CHEVROLET Lumina
92-93	3.4L	VIN X	OLDSMOBILE Cutlass Supreme
92-93	3.4L	VIN 10	PONTIAC Chiliad Prix
92-93	3.8L	general & Supercharged
92-93	iii.8L	VIN L	BUICK LeSabre
92-93	3.8L	VIN L	BUICK LeSabre
92-93	3.8L	VIN L	OLDSMOBILE Eighty Viii
92-93	3.8L	VIN Fifty	OLDSMOBILE Ninety Eight
92-93	3.8L	VIN Fifty	OLDSMOBILE Regency
92-93	3.8L	VIN L	OLDSMOBILE Silhouette
92-93	three.8L	VIN L	PONTIAC Bonneville, PONTIAC Trans Sport
92-93	3.8L	VIN L	CHEVROLET Lumina APV
92-93	4.3L	Throttle Body Injection, VIN Z
92-93	iv.9L	VIN B	CADILLAC DeVille, CADILLAC Eldorado, CADILLAC Fleetwood, CADILLAC Seville
92-93	5.7L	VIN 7	BUICK Roadmaster
92-93	5.7L	VIN P
92-93	six.2L	VIN C	GMC Rally, Sierra C/K Pickup, Vandura
92-94	1.9L	VIN vii/nine	Saturn S-Series
92-94	2.0L	VIN H	PONTIAC Sunbird
92-94	2.3L	VIN A	CHEVROLET Beretta
92-94	iii.1L	VIN T	CHEVROLET Cavalier, CHEVROLET Lumina
92-94	3.1L	VIN T	PONTIAC Sunbird
92-94	3.8L	VIN L	BUICK Riviera
92-94	five.7L	VIN 1000	CHEVROLET Blazer
92-95	2.2L	VIN 4	CHEVROLET Beretta/Corsica, CHEVROLET Cavalier
92-95	two.3L	VIN D	PONTIAC Sunfire
92-95	3.1L	VIN T/G	BUICK Majestic, CHEVROLET Beretta/Corsica
92-95	3.1L	VIN D	CHEVROLET Lumina APV, PONTIAC Trans Sport
92-95	3.1L	VIN D	OLDSMOBILE Silhouette
92-95	3.8L	VIN Fifty
92-95	4.3L	VIN Z	CHEVROLET C/G Pickup
92-95	4.3L	VIN Z	GMC Vandura
92-95	iv.3L	VIN W/Z	GMC Sonoma (Without vehicle control module (VCM))
92-95	4.3L	VIN Z	GMC Sierra C/K Pickup
92-95	4.3L	VIN Westward/Z	GMC Jimmy (Without vehicle control module (VCM))
92-95	4.3L	VIN Westward/Z	GMC Safari
92-95	4.3L	VIN Z	GMC Rally
92-95	five.0L	VIN H	CHEVROLET C/K Pickup
92-95	5.0L	VIN H	GMC Vandura
92-95	5.0L	VIN H	GMC Rally
92-95	5.0L	VIN H	GMC Sierra C/Thousand Pickup
92-95	5.7L	VIN 1000	CHEVROLET C/K Pickup
92-95	5.7L	VIN G	GMC Vandura
92-95	5.7L	VIN M	GMC Yukon
92-95	5.7L	VIN K	GMC Suburban
92-95	v.7L	VIN M	GMC Rally
92-95	v.7L	VIN K	GMC Sierra C/Yard Pickup
92-95	vii.4L	VIN Northward	CHEVROLET C/K Pickup
92-95	seven.4L	VIN N	GMC Vandura
92-95	7.4L	VIN Northward	GMC Suburban
92-95	7.4L	VIN J	GMC Sierra C/Yard Pickup
92-95	vii.4L	VIN N	GMC Rally
93	2.0L	Multi Port Fuel Injection, VIN H
93	2.2L	VIN 4
93	2.2L	VIN 4	OLDSMOBILE Cutlass Ciera/Cruiser
93	2.3L	Multi Port Fuel Injection, VIN D
93	2.3L	Multi Port Fuel Injection, VIN A
93	2.3L	Multi Port Fuel Injection, VIN 3
93	2.5L	VIN A
93	3.1L	Fuel Injection, VIN T
93	3.8L	VIN L/1	BUICK Park Avenue
93	4.6L	VIN nine	CADILLAC Allante
93	5.7L	Throttle Body Injection, VIN seven	CADILLAC Fleetwood
93	5.7L	VIN J
93-94	one.9L	Throttle Trunk Injection, VIN 9
93-94	5.7L	VIN P	CHEVROLET Camaro
93-95	1.9L	VIN 7
93-95	ii.2L	VIN four	BUICK Century
93-95	iii.1L	VIN M	OLDSMOBILE Cutlass Supreme
93-95	three.4L	VIN X
93-95	3.4L	VIN Southward	CHEVROLET Firebird
93-95	iii.4L	VIN S	CHEVROLET Camaro
93-95	4.3L	VIN W
93-95	4.3L	VIN W	CHEVROLET Caprice Wagon
93-95	4.3L	VIN Z	CHEVROLET Chevy Van
93-95	four.3L	VIN Due west	OLDSMOBILE Bravada
93-95	4.6L	VIN Y	CADILLAC Eldorado, CADILLAC Seville, CADILLAC DeVille (1994-1995)
93-95	4.6L	VIN ix	CADILLAC Eldorado, CADILLAC Seville
93-95	5.0L	VIN H	CHEVROLET Chevy Van
93-95	five.7L	VIN K	CHEVROLET Chevy Van
93-95	5.7L	VIN P	CHEVROLET Caprice
93-95	v.7L	VIN P	PONTIAC Firebird
93-95	7.4L	VIN N	CHEVROLET Chevy Van
94	two.0L	Multi Port Fuel Injection, VIN H
94	2.2L	VIN 4
94	2.3L	Multi Port Fuel Injection, VIN D
94	2.3L	Multi Port Fuel Injection, VIN A
94	two.3L	Multi Port Fuel Injection, VIN 3
94	three.1L	Multi Port Fuel Injection, VIN T
94	five.7L	VIN P	BUICK Roadmaster
94	5.7L	VIN P	CHEVROLET Corvette (OBD-I)
94-95	2.2L	VIN 4	GMC Sonoma
94-95	2.2L	VIN four	OLDSMOBILE Cutlass Ciera/Cruiser
94-95	iii.1L	VIN M	OLDSMOBILE Achieva
94-95	iii.1L	VIN M	BUICK Skylark, PONTIAC K AM
94-95	iii.1L	VIN T/Yard	PONTIAC Grand Prix
94-95	3.4L	VIN X	PONTIAC Yard Prix
94-95	three.8L	VIN L	CHEVROLET Lumina APV/Minivan
94-95	iii.8L	VIN Fifty	PONTIAC Trans Sport
94-95	three.8L	VIN 50	OLDSMOBILE Silhouette
94-95	4.3L	VIN Z
94-95	4.9L	VIN B
94-95	four.9L	VIN B	CADILLAC DeVille
94-95	5.7L	VIN J
94-95	5.7L	VIN P	CHEVROLET Corvette (OBD-Two)
94-95	v.7L	VIN P	CADILLAC Fleeetwood
94-95	6.5L	6.five Diesel fuel
94-95	6.5L	VIN P/Y	GMC Rally
94-95	half-dozen.5L	VIN F/P/Southward	GMC Sierra C/Thou Pickup
94-95	6.5L	VIN F	GMC Suburban
94-95	six.5L	VIN P	GMC Vandura
94-95	6.5L	VIN South	GMC Yukon
94-96	3.1L	VIN M	OLDSMOBILE Cutlass Ciera/Cruiser
94-96	3.4L	VIN X	CHEVROLET Lumina
94-96	3.8L	VIN i/L	OLDSMOBILE Ninety Eight, Regency
94-97	3.4L	VIN Ten	OLDSMOBILE Cutlass Supreme
94-97	3.8L	VIN 1/K/L	OLDSMOBILE Eighty 8
94-02	iii.1L	VIN M	BUICK Century
94-02	3.8L	VIN 50/K/one	BUICK LeSabre, BUICK Park Artery
94-02	3.8L	VIN L/K/1	BUICK Regal
94-02	three.8L	VIN L/K/ane	PONTIAC Bonneville
95	one.9L	VIN seven/8	Saturn S-Series
95	i.9L	Throttle Body Injection, VIN viii
95	two.2L	VIN 4
95	two.2L	VIN 4	PONTIAC Sunfire (OBD-I)
95	2.3L	Multi Port Fuel Injection, VIN D
95	two.3L	Multi Port Fuel Injection, VIN D
95	2.3L	VIN D/T	CHEVROLET Cavalier
95	two.3L	VIN D	PONTIAC Sunfire
95	3.8L	VIN i/K	OLDSMOBILE Aurora
95	4.0L	VIN C	OLDSMOBILE Aurora
95	4.3L	VIN Westward/Z	GMC Jimmy (With vehicle command module (VCM))
95	4.3L	VIN W/Z	GMC Sonoma (With vehicle control module (VCM))
95	5.7L	VIN P	BUICK Roadmaster
95	v.7L	VIN W	CHEVROLET Tahoe
95-97	3.4L	VIN Thou/1	CHEVROLET Monte Carlo
95-99	iii.8L	VIN K/1	BUICK Riviera
95-02	2.2L	VIN 4/five/F	PONTIAC Sunfire
95-02	three.8L	VIN K	CHEVROLET Camaro, PONTIAC Firebird
95-02	5.7L	VIN One thousand	CHEVROLET Camaro
96	ii.2L	VIN four	BUICK Century
96	2.2L	VIN iv	CHEVROLET Beretta/Corsica
96	two.2L	VIN four	OLDSMOBILE Cutlass Ciera
96	3.1L	VIN K	CHEVROLET Beretta/Corsica
96	3.4L	VIN Due east	CHEVROLET Lumina APV/Minivan
96	3.4L	VIN 10	PONTIAC Grand Prix
96	4.3L	VIN Z	GMC Vandura
96	5.7L	VIN Chiliad	GMC Rally
96	5.7L	VIN K	GMC Vandura
96	5.7L	VIN P	BUICK Roadmaster
96	5.7L	VIN P	CHEVROLET Caprice
96	five.7L	VIN 5 OBDII
96	6.5L	six.5L Diesel
96	6.5L	VIN Y	GMC Rally
96	vi.5L	VIN Y	GMC Vandura
96	7.4L	VIN Northward	GMC Vandura
96	7.4L	VIN Southward	GMC Envoy
96-97	three.1L	VIN M	BUICK Regal
96-97	3.1L	VIN M	OLDSMOBILE Achieva, Cutlass Supreme
96-97	iii.4L	VIN Eastward	OLDSMOBILE Silhouette
96-98	2.4L	VIN T	BUICK Skylark
96-98	ii.4L	VIN T	OLDSMOBILE Achieva
96-98	iii.1L	VIN 1000	BUICK Skylark
96-98	3.1L	VIN One thousand	PONTIAC K AM
96-98	three.4L	VIN E	PONTIAC Trans Sport
96-99	three.1L	VIN M	CHEVROLET Monte Carlo
96-99	5.0L	VIN Yard	CHEVROLET Suburban
96-99	5.0L	VIN K	GMC Sierra C/Thou Pickup
96-99	5.7L	VIN R	CHEVROLET Suburban
96-99	5.7L	VIN R	GMC Suburban
96-99	six.5L	VIN F	GMC Suburban
96-99	6.5L	VIN Southward	GMC Yukon
96-99	vii.4L	VIN J	CHEVROLET Suburban
96-99	vii.4L	VIN J	GMC Suburban
96-00	four.3L	VIN W	CHEVROLET C/K Pickup
96-00	five.0L	VIN M	CHEVROLET C/Yard Pickup
96-00	5.7L	VIN R	CHEVROLET C/Thousand Pickup
96-00	5.7L	VIN R	CHEVROLET Tahoe
96-00	5.7L	VIN R	GMC Yukon
96-00	v.7L	VIN R	GMC Sierra C/K Pickup
96-00	6.5L	VIN F/Due south	GMC Sierra C/K Pickup
96-00	7.4L	VIN J	CHEVROLET C/Grand Pickup
96-00	7.4L	VIN J	CHEVROLET Chevy Van/Express
96-00	seven.4L	VIN J	GMC Savana
96-00	vii.4L	VIN J	GMC Sierra C/K Pickup
96-00	7.4L	VIN J	CHEVROLET Chevy Van/Express
96-01	2.4L	VIN T	PONTIAC Grand AM
96-01	iii.1L	VIN T/M/J	CHEVROLET Lumina
96-02	ane.9L	VIN 7/viii	SATURN S-Series
96-02	2.2L	VIN 4/v	CHEVROLET S10 Pickup
96-02	2.2L	VIN four	CHEVROLET Cavalier
96-02	two.2L	VIN 4	GMC Sonoma
96-02	ii.4L	VIN T	CHEVROLET Cavalier
96-02	2.4L	VIN T	PONTIAC Sunfire
96-02	3.1L	VIN Grand	PONTIAC Grand Prix
96-02	4.0L	VIN C	OLDSMOBILE Aurora
96-02	iv.3L	VIN Westward	CHEVROLET Chevy Van/Express
96-02	4.3L	VIN W/X	GMC Sonoma
96-02	4.3L	VIN Due west	OLDSMOBILE Bravada
96-02	four.3L	VIN W	GMC Jimmy, Safari, Savana, Sierra C/K Pickup
96-02	4.3L	VIN West/10	CHEVROLET S10 Pickup
96-02	4.6L	VIN Y/9	CADILLAC DeVille
96-02	4.6L	VIN Y/nine	CADILLAC Eldorado
96-02	four.6L	VIN Y/nine	CADILLAC Seville
96-02	v.0L	VIN K	CHEVROLET Chevy Van/Express
96-02	five.0L	VIN G	GMC Savana
96-02	five.7L	VIN G/South	CHEVROLET Corvette
96-02	v.7L	VIN 1000/P	PONTIAC Firebird
96-02	5.7L	VIN R	CHEVROLET Chevy Van/Express
96-02	5.7L	VIN R	GMC Savana
96-02	6.5L	VIN F/Southward	GMC Savana
97	6.5L	6.5L Diesel
97-99	three.1L	VIN M	OLDSMOBILE Cutlass
97-01	3.0L	VIN R	CADILLAC Catera
97-02	3.8L	VIN Grand/ane	PONTIAC Chiliad Prix
98	3.1L	VIN M	OLDSMOBILE Achieva
98-99	iii.8L	VIN 1/One thousand	OLDSMOBILE Eighty Eight
98-00	3.8L	VIN K	OLDSMOBILE Intrigue
98-01	ane.0L	VIN half-dozen	CHEVROLET Metro
98-01	1.3L	VIN 2	CHEVROLET Metro
98-02	1.6L	VIN R	CHEVROLET Tracker
98-02	three.4L	VIN E	OLDSMOBILE Silhouette
98-02	three.8L	VIN 1000	CHEVROLET Monte Carlo
99-00	2.4L	VIN T	OLDSMOBILE Alero
99-00	three.5L	VIN H	OLDSMOBILE Intrigue
99-00	5.7L	VIN R	CADILLAC Escalade
99-01	4.3L	VIN W	GMC Envoy
99-02	ii.0L	VIN C	CHEVROLET Tracker
99-02	iii.4L	VIN E	PONTIAC Chiliad AM
99-02	iii.4L	VIN M	OLDSMOBILE Alero
99-02	3.4L	VIN E	PONTIAC Trans Sport
99-02	iv.3L	VIN Due west	CHEVROLET Silverado
99-02	4.8L	VIN V	CHEVROLET Silverado
99-02	4.8L	VIN V	GMC Sierra C/1000 Pickup
99-02	five.3L	VIN T	CHEVROLET Silverado
99-02	5.3L	VIN T	GMC Sierra C/K Pickup
99-02	six.0L	VIN U	CHEVROLET Silverado
99-02	six.0L	VIN U	GMC Sierra C/K Pickup
99-02	8.1L	VIN One thousand	CHEVROLET Silverado
00	4.8L	VIN V	GMC Yukon
00-02	2.2L	VIN F	SATURN L-Series
00-02	3.0L	VIN R	SATURN L-Series
00-02	four.8L	VIN V	CHEVROLET Tahoe
00-02	4.8L	VIN V	CHEVROLET Suburban
00-02	5.3L	VIN T	CHEVROLET Tahoe
00-02	5.3L	VIN T	CHEVROLET Suburban, GMC Suburban
00-02	6.0L	VIN U	CHEVROLET Suburban
00-02	6.0L	VIN U	GMC Yukon
00-02	6.0L	VIN U	GMC Suburban
00-02	eight.1L	VIN Chiliad	CHEVROLET Suburban
01-02	2.5L	VIN ane	CHEVROLET Tracker
01-02	2.5L	VIN i	CHEVROLET Tracker
01-02	iii.4L	VIN Due east	PONTIAC Aztek
01-02	iii.5L	VIN H	OLDSMOBILE Aurora
01-02	5.3L	VIN T	GMC Yukon
01-02	vi.0L	VIN U	CADILLAC Escalade
01-02	vi.6L	VIN one	GMC Sierra C/K Pickup
01-02	8.1L	VIN G	CHEVROLET Chevy Van/Limited
01-02	8.1L	VIN G	GMC Suburban
01-02	eight.1L	VIN G	GMC Savana
01-02	8.1L	VIN G	GMC Sierra C/1000 Pickup
01-02	8.1L	VIN Grand	GMC Yukon
02	two.2L	VIN F	CHEVROLET Cavalier
02	2.2L	VIN T	PONTIAC Yard AM
02	ii.2L (L61)	VIN T	OLDSMOBILE Alero
02	four.2L	VIN South	GMC Envoy

GM OBD/OBD2 Codes Past Model

Model	Year	Engine identification	System
Acadia 3.6L	2008-09	VIN position eight =7N	GM
Canyon 2.viii/three.5L	2004-06	VIN position 8 =6/8	GM
Coulee ii.9/3.6/3.7/v.3L	2007-09	VIN position 8 =9/E/L	GM
Envoy iv.2/5.3L	2002-09	VIN position 8 =S/One thousand	GM
Envoy 4.iii/5.3L	1999-08	VIN position 8 =PIW	GM
G-Serial iv.3L	1992-95	VIN position 8 =Z	GM
G-Serial 5.0L	1992-95	VIN position 8 =H	GM
G-Series 5.7L	1992-95	VIN position viii =G	GM
Thou-Serial 5.7L	1996	VIN position viii =K	GM
Thousand-Series 6.5L	1994-95	VIN position eight =PlY	GM
G-Serial 6.5L	1996	VIN position 8 =Y	GM
Thousand-Series 7.4L	1992-95	VIN position viii =N	GM
G-Serial vii.4L	1996	VIN position 8 =N	GM
Jimmy 4.3L	1996-01	VIN position 8 =W	GM
Jimmy 4.3L -with vehicle control module (VCM)	1995	VIN position 8 =West/Z	GM
Jimmy 4.3L -without vehicle control module (VCM)	1992-95	VIN position 8 =Due west/Z	GM
Savana 4.3L	1996-0S	VIN position 8 =X	GM
Savana 4.8L	2003-09	VIN position 8 =V	GM
Savana five.0L	1996-02	VIN position 8 =M	GM
Savana 5.3L	2003-09	VIN position viii =T	GM
Savana five.7L	1996-02	VIN position eight =R	GM
Savana vi.0L	2003-09	VIN position 8 =U	GM
Savana half dozen.5L	1996-02	VIN position 8 =F/S	GM
Savana vi.6L	2006-09	VIN position 8 =21W	GM
Savana 7.4L	1996-02	VIN position 8 =J	GM
Savana viii.1L	2001-02	VIN position 8 =M	GM
Sierra C/Grand Pickup 4.3L	1992-95	VIN position viii =Z	GM
Sierra C/Grand Pickup 5.0L	1992-95	VIN position 8 =H	GM
Sierra C/K Pickup 5.7L	1992-95	VIN position eight =Thousand	GM
Sierra C/K Pickup 5.7L	1996-00	VIN position viii =R	GM
Sierra C/K Pickup 6.5L	1994-95	VIN position eight =F/P/S	GM
Sierra C/K Pickup 6.5L Turbo Diesel	1996-00	VIN position eight =F/S	GM
Sierra C/K Pickup 6.6L Turbo Diesel	2001-09	VIN position 8 =1	GM
Sierra C/K Pickup 7.4L	1992-95	VIN position viii =N	GM
Sierra C/Yard Pickup 7.4L	1996-00	VIN position 8 =J	GM
Sierra/Denali/C/Thousand Pickup 4.3L	1996-09	VIN position 8 =West/10	GM
Sierra/Denali/C/K Pickup 4.8L	1999-09	VIN position eight =CN	GM
Sierra/Denali/C/Yard Pickup v.0L	1996-00	VIN position eight =Grand	GM
Sierra/Denali/C/K Pickup five.3L	1999-09	VIN position 8 =3/BrTlY	GM
Sierra/Denali/C/K Pickup 6.0L	1999-09	VIN position 8 =S/N/UIY	GM
Sierra/Denali/C/K Pickup 6.2L	2008-09	VIN position 8 =viii	GM
Sierra/Denali/C/One thousand Pickup 8.1 50	2001-07	VIN position eight =Yard	GM
Sonoma 2.2L	1994-95	VIN position 8 =4	GM
Sonoma 2.2L	1996-03	VIN position eight =iv	GM
Sonoma 2.5L	1992-93	VIN position 8 =A	GM
Sonoma 2.8L	1992-93	VIN position eight =R	GM
Sonoma 4.3L -without vehicle control module (VCM)	1992-95	VIN position viii =West/Z	GM
Sonoma four.3L -with vehicle command module (VCM)	1995	VIN position eight =W/Z	GM
Sonoma 4.3L	1996-04	VIN position eight =West/X	GM
Suburban v.7L	1992-95	VIN position 8 =K	GM
Suburban 5.7L	1996-99	VIN position 8 =R	GM
Suburban 6.5L	1994-95	VIN position 8 =F	GM
Suburban 6.5L Diesel fuel	1996-99	VIN position 8 =F	GM
Suburban 7.4L	1992-95	VIN position viii =N	GM
Suburban 7.4L	1996-99	VIN position 8 =J	GM
Yukon 4.8L	2000-09	VIN position viii =CN	GM
Yukon 5.7L	1992-95	VIN position 8 =Grand	GM
Yukon v.7L	1996-00	VIN position 8 =R	GM
Yukon half-dozen.5L	1994-95	VIN position 8 =South	GM
Yukon half-dozen.5L Turbo Diesel	1996-99	VIN position eight =S	GM
Yukon/Denali 5.3L	2001-09	VIN position eight =O/3/CrT	GM
Yukon/Denali half dozen.0/vi.2L	2000-09	VIN position viii =2/Due south/eight/Due north/UIY	GM
YukonlDenali 8.1 Fifty	2001-07	VIN position eight =Grand	GM

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Source: https://www.troublecodes.net/gm/