LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2012 >> Corvette Base, 2D Convertible, Automatic Trans >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Electrical Component Locations >> Component Locations - Electrical Center Identification Views >> Electrical Center Identification Views >> Body Control Module (BCM) X2
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Body Control Module (BCM) X2

Fig 1: Identifying Body Control Module (BCM) X2 Connector End View
GM1376254Courtesy of GENERAL MOTORS COMPANY
Body Control Module (BCM) X2

Pin Wire Circuit Function
1 0.35 TN/BK 2500 High Speed GMLAN Serial Data (+)
2 0.35 TN/BK 2500 High Speed GMLAN Serial Data (+)
3 0.35 PK/WH 1970 Headlamp Low Beam Relay Control
4 0.35 PU 524 Headlamp Dimmer Switch High Beam Signal
5 0.35 BN/WH 301 Park Lamp Switch On Signal
6 0.35 YE 1977 Rear Fog Lamp Relay Control (T79)
7 0.35 PK 5068 Intrusion Sensor Switch Disable Signal (UA2)
8 - - Not Used
9 0.35 TN 2144 Hazard Switch Signal
10 - - Not Used
11 0.35 OG 5721 Ignition Mode Switch Off LED Signal
12-13 - - Not Used
14 0.35 TN 28 Horn Relay Control
15 0.35 WH 103 Headlamp Switch On Signal
16 0.35 OG 192 Front Fog Lamp Switch Signal
17 0.35 L-BU 1872 Park Lamp Switch Off Signal
18 0.35 GY 5381 5-Volt
19 0.35 TN 2501 High Speed GMLAN Serial Data (-)
20 0.35 TN 2501 High Speed GMLAN Serial Data (-) (UE1)
21 - - Not Used
22 0.35 L-BU 187 Rear Fog Lamp Switch Signal (T79)
23-30 - - Not Used
31 0.35 TN 5380 Brake Position Sensor Signal
32-48 - - Not Used
49 0.35 D-BU 75 Reverse Switch Supply Voltage (MN6)
50 - - Not Used
51 0.35 BN 1356 Flash To Pass Switch Signal
52-56 - - Not Used
57 0.35 L-BU 1714 Windshield Wiper Switch Low Signal
58 - - Not Used
59 0.35 BN 5382 Low Reference
60 - - Not Used
61 0.35 GY 1884 Cruise Control Set/Coast/Resume/Accelerate Switch Signal
62-65 - - Not Used
66 0.35 L-BU/WH 1414 Left Front Turn Signal Switch Signal
67 0.35 D-BU/WH 1415 Right Front Turn Signal Switch Signal
68 0.35 BN/WH 1571 Traction Control Switch Signal
69 0.35 D-GN/WH 1932 Shift Select Switch Park Signal (MYC)
0.35 L-BU 2182 Reverse Lamp Relay Control (MN6)
70 0.35 GY/BK 896 Hard Top Connected Signal (C05 or CM7)
71 0.35 L-GN 5720 Ignition Mode Switch Accessory LED Signal
72 - - Not Used
Connector Part Information
  • Harness Type: Instrument Panel Body
  • OEM Connector: 15393121
  • Service Connector: 88987848
  • Description: 72-Way F Micro-Pack 064 Series (GY with GY Cover)
Terminal Part Information
  • Terminated Lead: 13575239
  • Release Tool: J-38125-21
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: 15359541/4
  • Core/Insulation Crimp: M/M