Powertrain Control Module (PCM) C2

2006 Isuzu Ascender S, 5.3 M, 4WDSECTION Powertrain Control Module (PCM) C2
WARNING: This page is about a different car, the 2007 Isuzu Ascender, 2007 GMC Envoy, 2007 Chevrolet TrailBlazer, and 2007 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Powertrain Control Module (PCM) C2 Connector End View
GM1671569Courtesy of GENERAL MOTORS CORP.
Powertrain Control Module (PCM) C2 Connector Parts Information

Connector Part Information 
  • OEM: 15452126
  • Service: 88953274
  • Description: 73-Way F GT 280 Micro 64 Series Unsealed (BK)
Terminal Part Information 
  • Pins: 1-2, 4-10, 14, 17-22, 26, 28, 30, 32-33, 35-37, 39-42, 44-45, 47-48, 51-60, 64-66, 68-69, 71-72
  • Terminal/Tray: 15359541/4
  • Core/Insulation Crimp: M/M
  • Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)
  • Pins: 73
  • Terminal/Tray: 15304720/19
  • Core/Insulation Crimp: 4/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
Powertrain Control Module (PCM) C2

Pin Wire Color Circuit No. Function
1 PU 5428 Generator Regulator Control
2 D-GN 485 TP Sensor 1 Signal
3 - - Not Used
4 GY 597 5-Volt Reference
5 BN/WH 6789 Air Injection Reaction Control Valve #1 Volt Reference (K18)
6 GY 2701 5-Volt Reference
7 PU 486 TP Sensor 2 Signal
8 GY 2704 5-Volt Reference
9 L-BU/BK 1688 5-Volt Reference
10 D-GN/WH 2124 IC 4 Control
11-13 - - Not Used
14 PK/BK 632 Low Reference
15-16 - - Not Used
17 YE 573 CKP Sensor
18 PU 574 Low Reference
19 BK 2199 Low Reference
20 OG/BK 469 Low Reference
21 GY 2365 Low Reference
22 RD 631 12-Volt Reference
23-25 - - Not Used
26 BN/WH 633 CMP Sensor Signal
27 - - Not Used
28 PU 421 Air Injection Reaction Solenoid Relay Coil Control (K18)
29 - - Not Used
30 D-BU/WH 6785 Air Injection Reaction Control Valve #1 Low Reference (K18)
31 - - Not Used
32 TN 1664 HO2S Low Signal
33 BK 1744 Fuel Injector 1 Control
34 - - Not Used
35 YE 410 ECT Sensor Signal
36 BK/WH 1704 Low Reference
37 L-GN 432 MAP Sensor Signal
38 - - Not Used
39 BK 2752 Low Reference
40 PU 2121 IC 1 Control
41 YE 492 MAF Sensor Signal
42 L-BU 2123 IC 3 Control
43 - - Not Used
44 RD/WH 2122 IC 2 Control
45 GY 23 Generator Field Duty Cycle Signal
46 - - Not Used
47 BN 2198 Camshaft Position Actuator Solenoid High Control
48 PU/WH 1665 HO2S High Signal
49-50 - - Not Used
51 TN 472 IAT Sensor Signal
52 BK 2761 Low Reference
53 BK/WH 845 Fuel Injector 5 Control
54 YE/BK 846 Fuel Injector 6 Control
55 PK/BK 1746 Fuel Injector 3 Control
56 L-GN/BK 1745 Fuel Injector 2 Control
57 L-BU/BK 844 Fuel Injector 4 Control
58 D-GN 676 HO2S Heater Low Control
59 D-GN 2125 IC 5 Control
60 L-BU/WH 2126 IC 6 Control
61-63 - - Not Used
64 BK 2760 Low Reference
65 BN 582 TAC Motor Control - 2
66 YE 581 TAC Motor Control - 1
67 - - Not Used
68 D-BU 496 Knock Sensor 1 Signal
69 GY 1716 Knock Sensor Signal
70 - - Not Used
71 GY 2303 Knock Sensor Signal
72 L-BU 1876 Knock Sensor 2 Signal
73 BK 450 Ground
RENDER: 1.0x

NO RELATED

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

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