FixVault
Home › GMC › 2004 › Sierra 2500, 4D Pickup, 4WD, Part Time › Repair and Diagnosis › External Pages › Different variant/trim › Section 12 (Engine Controls - 4.3L (Introduction)) › Component Locator › Powertrain Control Module (PCM) Connector End Views

Powertrain Control Module (PCM) Connector End Views

WARNING: This page is about a different variant/trim than selected.
Powertrain Control Module (PCM) Terminal Identification - C1

GM655733Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12191489
  • 80-Way F Micro-Pack 100W Sealed (BLU)
Pin Wire Color Circuit No. Function
1 BLK/WHT 451 Ground
2 LT GRN 1867 12 Volt Reference
3 - - Not Used
4 LT BLU/
BLK		 844 Fuel Injector 4 Control
5-6 - - Not Used
7 GRY 2705 5 Volt Reference
8 GRY 2701 5 Volt Reference
9 DK BLU 496 Knock Sensor Signal
10-11 - - Not Used
12 DK BLU/
WHT		 1869 CKP Sensor Signal
13 ORN/BLK 463 Requested Torque Signal
14-16 - - Not Used
17 DK BLU 1225 Transmission Fluid Pressure Switch Signal B
18 RED 1226 Transmission Fluid Pressure Switch Signal C
19 PNK 439 Ignition 1 Voltage
20 ORN 440 Battery Positive Voltage
21 YEL/BLK 1868 Low Reference
22 - - Not Used
23 BLK 470 Low Reference
24 BLK/WHT 451 Ground
25 TAN 1671 HO2S Low Signal Bank 2 Sensor 2
26 TAN 1667 HO2S Low Signal Bank 2 Sensor 1
27 BLK/WHT 451 Ground
28 TAN/WHT 1669 HO2S Low Signal Bank 1 Sensor 2
29 TAN 1664 HO2S Low Signal Bank 1 Sensor 1
30 LT GRN 1478 Coolant Level Switch Signal
31 - - Not Used
32 BLK/WHT 771 Transmission Range Switch Signal A
33 PPL 420 TCC Brake Switch/Cruise Control Release Signal
34 WHT 776 Transmission Range Switch Signal P
35 GRY 48 CPP Switch Signal
36 BLK 1744 Fuel Injector 1 Control
37 PNK/BLK 1746 Fuel Injector 3 Control
38 - - Not Used
39 YEL/BLK 625 Starter Enable Relay Control
40 BLK/WHT 451 Ground
41-42 - - Not Used
43 BLK/WHT 845 Fuel Injector 5 Control
44 - - Not Used
45 GRY 2700 5 Volt Reference
46 GRY 474 5 Volt Reference
47 - - Not Used
48 GRY 597 5 Volt Reference
49 GRY 1716 Low Reference
50-52 - - Not Used
53 BLK 720 Low Reference
54 ORN/BLK 469 Low Reference
55-56 - - Not Used
57 ORN 440 Battery Positive Voltage
58 DK GRN 1049 PCM Class 2 Serial Data
59 YEL 710 Class 2 Serial Data
60 ORN/BLK 510 Low Reference
61 PNK/BLK 632 Low Reference
62 - - Not Used
63 BLK 2755 Low Reference
64 BLK/WHT 451 Ground
65 PPL 1670 HO2S High Signal Bank 2 Sensor 2
66 PPL 1666 HO2S High Signal Bank 2 Sensor 1
67 BLK/WHT 451 Ground
68 PPL/WHT 1668 HO2S High Signal Bank 1 Sensor 2
69 PPL/WHT 1665 HO2S High Signal Bank 1 Sensor 1
70 BRN 1174 Oil Level Switch Signal
71 - - Not Used
72 YEL 772 Transmission Range Switch Signal B
73 BRN/WHT 633 CMP Sensor Signal
74 YEL 410 ECT Sensor Signal
75 PNK 1020 Off/Run/Crank Voltage
76 LT GRN/
BLK		 1745 Fuel Injector 2 Control
77 YEL/BLK 846 Fuel Injector 6 Control
78 - - Not Used
79 WHT 687 3-2 Shift Solenoid Valve Control
80 GRY 407 Low Reference
Powertrain Control Module (PCM) Terminal Identification - C2

GM684875Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12191488
  • 80-Way F Micro-Pack 100W Sealed (RED)
Pin Wire Color Circuit No. Function
1 BLK/WHT 451 Ground
2 BRN 418 TCC PWM Solenoid Valve Control
3-4 - - Not Used
5 TAN/BLK 464 Delivered Torque Signal
6 RED/BLK 1228 PC Solenoid Valve High Control
7 - - Not Used
8 LT BLU/
WHT		 1229 PC Solenoid Valve Low Control
9 DK GRN/
WHT		 465 Fuel Pump Relay Control
10 WHT 121 Engine Speed Signal
11-12 - - Not Used
13 LT BLU/
BLK		 396 Cruise Control Engaged Signal
14 RED/BLK 380 A/C Refrigerant Pressure Sensor Signal
15 BRN 25 Charge Indicator Control
16 GRY/BLK 1694 4WD Low Signal
17 - - Not Used
18 DK GRN 1433 Clutch Start Switch Signal
19 BLK/WHT 1695 Axle Switch Signal
20 LT GRN/
BLK		 822 VSS Low Signal
21 PPL/WHT 821 VSS High Signal
22-23 - - Not Used
24 DK BLU 417 TP Sensor Signal
25 TAN 472 IAT Sensor Signal
26 WHT 423 IC Timing Control
27-30 - - Not Used
31 YEL 492 MAF Sensor Signal
32 LT GRN 432 MAP Sensor Signal
33 - - Not Used
34 DK GRN/
WHT		 428 EVAP Canister Purge Solenoid Control
35-38 - - Not Used
39 RED 631 12 Volt Reference
40 BLK/WHT 451 Ground
41 - - Not Used
42 TAN/BLK 422 TCC Solenoid Valve Control
43 DK GRN/
WHT		 459 A/C Compressor Clutch Relay Control
44 - - Not Used
45 WHT 1310 EVAP Canister Vent Solenoid Control
46 BRN/WHT 419 MIL Control
47 YEL/BLK 1223 2-3 Shift Solenoid Valve Control
48 LT GRN 1222 1-2 Shift Solenoid Valve Control
49 YEL/BLK 1827 Vehicle Speed Signal
50 DK GRN/
WHT		 817 Vehicle Speed Signal
51 YEL/BLK 1227 TFT Sensor Signal
52 BRN 2391 HO2S Heater Low Control - Bank 1 Sensor 2
53 RED/WHT 3223 HO2S Heater Low Control - Bank 2 Sensor 2
54 PPL/WHT 1589 Fuel Level Sensor Signal
55-56 - - Not Used
57 BLK 552 Low Reference
58 TAN/WHT 332 Oil Pressure Sensor Signal
59 PPL 806 Crank Voltage
60-61 - - Not Used
62 GRY 773 Transmission Range Switch Signal C
63 PNK 1224 Transmission Fluid Pressure Switch Signal A
64 DK GRN 890 Fuel Tank Pressure Sensor Signal
65-71 - - Not Used
72 BLK/WHT 3113 HO2S Heater Low Control - Bank 1 Sensor 1
73 - - Not Used
74 LT GRN 3212 HO2S Heater Low Control - Bank 2 Sensor 1
75 GRY 23 Generator Field Duty Cycle Signal
76 LT GRN/
WHT		 1749 IAC Coil B High Control
77 LT GRN/
BLK		 444 IAC Coil B Low Control
78 LT BLU/
BLK		 1748 IAC Coil A Low Control
79 LT BLU/
WHT		 1747 IAC Coil A High Control
80 BLK 2751 Low Reference
About FixVault