Powertrain Control Module (PCM) Connector End Views

2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Powertrain Control Module (PCM) Connector End Views
Powertrain Control Module (PCM) C1

GM1228485Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • OEM: 15452125
  • Service: See Catalog
  • 56-Way F Micro 64 Sealed (BU)
Pin Wire Color Circuit No. Function
1 TN/BK 2500 High Speed GMLAN Serial Data (+) (1)
2 TN 2501 High Speed GMLAN Serial Data (-) (1)
3-5 - - Not Used
6 D-GN/WH 459 A/C Compressor Clutch Relay Control
7 BN 1271 Accelerator Pedal Position Low Reference (1)
8 PU 1272 Accelerator Pedal Position Low Reference (2)
9 - - Not Used
10 D-BU 473 High Speed Cooling Fan Relay Control
11 - - Not Used
12 PU 1589 Primary Fuel Level Sensor Signal
13 PK/BK 5293 Engine Main Relay Fused Control (4)
14 L-BU 6118 Manifold Air Temperature Sensor Signal
15 - - Not Used
16 D-GN 1049 ECM/PCM/VCM Class 2 Serial Data
17 GY 2700 A/C Pressure Sensor 5-Volt Reference
18 BN 4 Accessory Voltage
19 PK/BK 1039 Run/Crank Ignition 1 Voltage
20 RD/WH 840 Battery Positive Voltage
21 - - Not Used
22 WH 1310 EVAP Canister Vent Solenoid Control
23 - - Not Used
24 D-GN 890 Fuel Tank Pressure Sensor Signal
25 - - Not Used
26 OG/BK 380 A/C Refrigerant Pressure Sensor Signal
27 D-BU 1161 Accelerator Pedal Position Signal (1)
28 - - Not Used
29 TN 2759 Fuel Tank Pressure Sensor Low Reference
30 WH/BK 1164 Accelerator Pedal Position 5-Volt Reference (1)
31 - - Not Used
32 L-BU 20 Stop Lamp Supply Voltage
33 - - Not Used
34 PK 2014 Coolant Pump Relay Coil Control
35-36 - - Not Used
37 D-GN/WH 465 Fuel Pump Primary Relay Control
38 BN 5069 Engine Main Relay Coil Control
39 - - Not Used
40 BN/WH 419 Check Engine Indicator Control
41 L-BU 1162 Accelerator Pedal Position Signal (2)
42 - - Not Used
43 TN 1274 Accelerator Pedal Position 5-Volt Reference (2)
44-45 - - Not Used
46 PU 420 Torque Converter Clutch Brake Switch Signal
47 GY 2709 Fuel Tank Pressure Sensor 5-Volt Reference
48 YE 447 Starter Relay Coil Control
49-50 - - Not Used
51 D-GN 335 Low Speed Cooling Fan Relay Control
52 - - Not Used
53 BN/WH 379 Cruise Control Clutch Pedal Position Switch Signal
54 D-GN 1433 Clutch Start Switch Signal
55 - - Not Used
56 BK/WH 2751 Signal Ground
Powertrain Control Module (PCM) C2

GM1332467Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • OEM: 15452126
  • Service: 88953274
  • 73-Way F GT 280 Micro 64 Sealed
Pin Wire Color Circuit No. Function
1 RD 225 Generator Turn On Signal
2 D-GN 485 Throttle Position Sensor Signal (1)
3 - - Not Used
4 GY 596 5-Volt Reference
5 GY 2704 Manifold Absolute Pressure Sensor 5-Volt Reference
6 GY 2701 Throttle Position Sensor 5-Volt Reference
7 PU 486 Throttle Position Sensor Signal (2)
8 D-GN 6291 Manifold Absolute Pressure Sensor #2-Volt Reference
9 L-BU/BK 1688 5-Volt Reference
10-15 - - Not Used
16 PU 6413 EST Return Low Reference
17 YE 573 Crankshaft Position Sensor Signal (1)
18 PU 574 Crankshaft Position Sensor Low Reference (1)
19 - - Not Used
20 D-GN/WH 6292 Manifold Absolute Pressure #2 Low Reference
21 PK/BK 632 Camshaft Position Sensor Low Reference
22-24 - - Not Used
25 TN/WH 1669 Heated Oxygen Sensor Low Signal Bank 1 Sensor (2)
26 BN/WH 633 Camshaft Position Sensor Signal
27-28 - - Not Used
29 GY 1724 Supercharger Boost Solenoid Control
30 OG/BK 469 Manifold Absolute Pressure Sensor Low Reference
31 - - Not Used
32 TN 1667 Heated Oxygen Sensor Low Signal Bank 2 Sensor (1)
33 BK 1744 Fuel Injector Control (1)
34 - - Not Used
35 YE 410 Engine Coolant Temperature Sensor Signal
36 BK/WH 1704 Sensor Low Reference
37 GY 6337 Manifold Absolute Pressure Sensor #2 Signal
38 L-GN 432 Manifold Absolute Pressure Sensor Signal
39 BK 2752 Throttle Position Sensor Low Reference
40 BN/WH 6405 EST A Control
41 YE 492 Mass Air Flow Sensor Signal
42 D-GN/WH 6407 EST C Control
43 BK/WH 1423 Heated Oxygen Sensor Heater Low Control Bank 1 Sensor (2)
44 - - Not Used
45 GY 23 Generator Field Duty Cycle Signal
46 PU/WH 1668 Heated Oxygen Sensor High Signal Bank 1 Sensor (2)
47 - - Not Used
48 PU 1666 Heated Oxygen Sensor High Signal Bank 2 Sensor (1)
49-50 - - Not Used
51 TN 472 Intake Air Temperature Sensor Signal
52 BK 2761 Coolant Temperature Sensor Low Reference
53 L-GN/BK 1745 Fuel Injector Control (2)
54 L-BU/BK 844 Fuel Injector Control (4)
55 PK/BK 1746 Fuel Injector Control (3)
56-57 - - Not Used
58 D-GN 676 Heated Oxygen Sensor Heater High Control Bank 1 Sensor (1)
59 D-BU/WH 6406 EST B Control
60 L-BU/WH 6408 EST D Control
61-63 - - Not Used
64 BK 2760 Intake Air Temperature Sensor Low Reference
65 BN 582 Throttle Actuator Control Close
66 YE 581 Throttle Actuator Control Open
67 - - Not Used
68 D-BU 496 Knock Sensor Signal (1)
69 GY 1716 Knock Sensor Low Reference (1)
70-72 - - Not Used
73 BK/WH 451 Signal Ground
Powertrain Control Module (PCM) C3

GM1283894Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • OEM: 15437820
  • Service: 88953347
  • 56-Way F Micro 64 Sealed (GY)
Pin Wire Color Circuit No. Function
1-9 - - Not Used
10 TN 891 Boost Gage Signal
11-14 - - Not Used
15 TN/BK 231 Oil Pressure Switch Signal
16-21 - - Not Used
22 WH/BK 2932 5-Volt Reference
23-30 - - Not Used
31 GY/BK 433 BARO Sensor Signal
32-35 - - Not Used
36 OG/BK 6014 Low Reference
37 D-GN/WH 428 EVAP Canister Purge Solenoid Control
38-43 - - Not Used
44 PU 401 VSS Low Signal
45 YE 400 VSS High Signal
46-56 - - Not Used
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.