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HOMESERVICE MANUALSGMC2011SAVANA SPECIAL 4.8 AREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 176 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - FUEL INJECTOR 6 THROUGH YAW SENSOR)COMPONENT CONNECTOR END VIEWSTRANSMISSION CONTROL MODULE (TCM) (M30)
2011 GMC Savana Special 4.8 A

Transmission Control Module (TCM) (M30)

2011 GMC Savana Special 4.8 ASECTION Transmission Control Module (TCM) (M30)
WARNING: This page is about a different car, the 2011 GMC Savana, 2011 Chevrolet RV Cutaway, 2011 Chevrolet Cutaway, and 2011 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Connector End View Transmission Control Module (TCM) (M30)
GM1544228Courtesy of GENERAL MOTORS CORP.
Transmission Control Module (TCM) (M30)

Pin Wire Circuit Function
1 0.5 BN 418 Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid Valve Control
2 0.5 L-GN 1222 Shift Solenoid A Valve Control
3 0.5 OG/BK 1230 Automatic Transmission Input Speed Sensor (AT ISS) High Signal
4 - - Not Used
5 0.5 OG/BK 6399 Replicated TOS Signal
6 0.5 TN 2501 High Speed GMLAN Serial Data Bus (-)
7 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus (+)
8-10 - - Not Used
11 0.5 D-BU 5985 Accessory Wakeup Serial Data
12-14 - - Not Used
15 0.5 TN 2501 High Speed GMLAN Serial Data Bus (-)
16 0.5 L-GN/BK 822 Vehicle Speed Sensor (VSS) Low Signal
17 0.35 L-BU/WH 1229 PC Solenoid Valve Low Control (Sol. A)
18 - - Not Used
19 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus (+)
20 0.5 YE/BK 1223 Shift Solenoid B Valve Control
21-22 - - Not Used
23 0.35 GY 773 Transmission Range Switch Signal C
24 - - Not Used
25 0.5 TN/BK 422 Torque Converter Clutch (TCC) Solenoid Valve Control
26-28 - - Not Used
29 0.35 TN/WH 771 Transmission Range Switch Signal A
30 0.35 TN 452 Low Reference
31 0.5 PK 2139 Ignition Voltage
32 0.35 RD/WH 1840 Battery Positive Voltage
33-34 - - Not Used
35 0.35 YE/BK 1227 Transmission Fluid Temperature (TFT) Sensor Signal
36 - - Not Used
37 0.5 TN 2501 High Speed GMLAN Serial Data Bus (-)
38 0.5 TN/BK 2500 High Speed GMLAN Serial Data Bus (+)
39 0.35 WH 776 Transmission Range Switch Signal P
40 0.35 OG/BK 1228 PC Solenoid Valve High Control (Sol. A)
41 0.5 PU/WH 821 Vehicle Speed Sensor (VSS) High Signal
42 0.5 L-BU/WH 6311 Torque Converter Clutch (TCC) Brake Signal
43-44 - - Not Used
45 0.35 D-BU/WH 1231 Low Reference
46 0.35 YE 772 Transmission Range Switch Signal B
47-48 - - Not Used
49 2 BK/WH 1551 Ground
Connector Part Information
  • Harness Type: Engine
  • OEM Connector: 15463921
  • Service Connector: 88987979
  • Description: 49-Way F GT 280 Micro-Pack 64 Series, Sealed (BK)
Terminal Part Information
  • Pins: 1-3, 5-7, 11, 15-17, 19-20, 23, 25, 29-32, 35, 37-42, 45-46
  • Terminated Lead: Pins: 1-2, 5-7, 11, 15-16, 19-20, 25, 31, 37-38, 41-42 - 13575528
  • Terminated Lead: Pins: 3, 17, 23, 29-30, 32, 35, 39-40, 45-46 - Pending
  • Release Tool: J-38125-21
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 15359541/4
  • Core/Insulation Crimp: M/M
  • Pin 49
  • Terminated Lead: 13575386
  • Release Tool: J-38125-553
  • Diagnostic Test Probe: J-35616-4A (PU)
  • Terminal/Tray: 15392777/23
  • Core/Insulation Crimp: D/5
RENDER: 1.0x

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  • • You are missing required tools, torque specs, or safe lifting equipment.
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