Throttle Actuator Control (TAC) Module (L26)

WARNING: This page is about a different car, the 2008 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Throttle Actuator Control (TAC) Module (L26) Connector End Views

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.5 TN/BK	1274	5-Volt Reference
2	0.5 PU/WH	1272	Low Reference
3	0.5 L-BU	1162	APP Sensor 2 Signal
4	0.5 PU/BK	389	Vehicle Speed Signal
5	-	-	Not Used
6	0.5 WH	17	Stop Lamp Switch Signal
7	0.5 WH/BK	1061	UART Serial Data Secondary
8	0.5 BK/WH	1551	Ground
9-10	-	-	Not Used
11	0.5 BK	1161	APP Sensor 1 Signal
12	0.5 BN	1271	Low Reference
13	0.5 WH/BK	1164	5-Volt Reference
14-15	-	-	Not Used
16	0.5 TN/OG	800	UART Serial Data Primary
17	0.5 BK/WH	1551	Ground
18	0.5 PK/BK	5290	Ignition 1 Voltage
19-20	-	-	Not Used

Connector Part Information

OEM: 15355368
Service: See Catalog
Description: 20-Way F GT Series Sealed (GY)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit