K16 Battery Energy Control Module X1
WARNING: This page is about a different car, the 2015 Chevrolet Volt. However, it is still accessible from the selected car via links, so may be relevant.
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Connector Part Information
- Harness Type: Contactor Assembly
- OEM Connector: ALTPB-21-2BH
- Service Connector: Service by Part Assembly - See Part Catalog
- Description: 21-Way F (GY)
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Terminal Part Information
| Terminal Type ID |
Terminated Lead |
Diagnostic Test Probe |
Terminal Removal Tool |
Service Terminal |
Tray |
Core Crimp |
Insulation Crimp |
| I |
Service by Part Assembly - See Part Catalog |
Not Available |
Not Available |
Not Available |
Not Available |
Not Available |
Not Available |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 |
0.5 |
BK |
2050 |
Ground |
I |
- |
| 2 |
0.5 |
RD |
1640 |
Battery Positive Voltage |
I |
- |
| 3 |
0.5 |
WH/BK |
- |
Data Communication (-) |
I |
- |
| 4 |
0.5 |
L-BU |
- |
Data Communication (+) |
I |
- |
| 5 |
0.5 |
OG |
- |
Coolant Inlet Temperature Sensor (+) |
I |
- |
| 6 |
0.5 |
YE |
- |
Coolant Inlet Temperature Sensor (-) |
I |
- |
| 7 |
0.5 |
L-BU |
- |
Coolant Outlet Temperature Sensor (+) |
I |
- |
| 8 |
0.5 |
VT |
- |
Coolant Outlet Temperature Sensor (-) |
I |
- |
| 9 |
0.5 |
BK |
- |
Case Ground |
I |
- |
| 10 |
0.5 |
GY |
2501 |
High Speed GMLAN Serial Data (-) (1) |
I |
- |
| 11 |
0.5 |
WH |
2501 |
High Speed GMLAN Serial Data (-) (1) |
I |
- |
| 12 |
0.5 |
PK |
2500 |
High Speed GMLAN Serial Data (+) (1) |
I |
- |
| 13 |
0.5 |
TN |
2500 |
High Speed GMLAN Serial Data (+) (1) |
I |
- |
| 14 |
0.5 |
BN/RD |
3977 |
Accessory Wakup Serial Data 2 |
I |
- |
| 15 |
0.5 |
OG/YE |
139 |
Run/Crank Ignition 1 Voltage |
I |
- |
| 16 |
0.5 |
L-GN/L-BU |
3787 |
High Voltage Energy Management Communication Enable |
I |
- |
| 17-20 |
- |
- |
- |
Not Occupied |
- |
- |
| 21 |
0.5 |
VT/GY |
5139 |
High Voltage Fault Signal |
I |
- |