2001 silverado (Thanks Banker099)
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Powertrain Control Module (PCM) C1 (BLU)
Connector Part Information
• PCM Connector C1 Assembly 12191489
• TPA (BLU) 12176408
• Connector Cover 12191108
Pin
Wire Color
Circuit No.
Function
1
BLK/WHT
451
Ground
2
LT GRN
1867
12 Volt Reference
3
PNK/BLK
1746
Fuel Injector 3 Control
4
LT GRN/BLK
1745
Fuel Injector 2 Control
5-10
--
--
Not Used
11
LT BLU
1876
Knock Sensor 2 Signal
12
DK BLU/WHT
1869
CKP Sensor Signal
13
ORN/BLK
463
Requested Torque Signal
14
ORN/BLK
1061
UART Serial Data [Secondary]
15
DRK BLU/WHT
774
UART Serial Data [Tertiary]
16
--
--
Not Used
17
DK BLU
1225
Transmission Fluid Pressure Switch Signal B
18
RED
1226
Transmission Fluid Pressure Switch Signal C
19
PNK
439
Ignition 1 Voltage
20
ORN
440
Battery Positive Voltage
21
YEL
1868
Low Reference
22
--
--
Not Used
23
PPL
719
Low Reference
24
--
--
Not Used
25
TAN
1671
HO2S Low Signal [- Bank 2 Sensor 1]
25
TAN
413
HO2S Low Reference (Denso Sensors) HO2S Low Signal (Delphi Sensors)
26
TAN
1667
HO2S Low Signal [- Bank 2 Sensor 2]
26
TAN
413
HO2S Low Reference (Denso Sensors) HO2S Low Signal (Delphi Sensors)
27
--
--
Not Used
28
TAN/WHT
1669
HO2S Low Signal [- Bank 1 Sensor 2]
28
TAN
413
HO2S Low Reference (Denso Sensors) HO2S Low Signal (Delphi Sensors)
29
TAN/WHT
1653
HO2S Low Signal [- Bank 1 Sensor 1]
29
TAN
413
HO2S Low Reference (Denso Sensors) HO2S Low Signal (Delphi Sensors)
30
LT GRN
1478
Coolant Level Switch Signal
31
--
--
Not Used
32
BLK/WHT
771
Transmission Range Switch Signal A
33
PPL
420
TCC Brake Switch Signal
34
WHT
776
Transmission Range Switch Signal P
35
GRA
48
CPP Switch Signal
36
BLK
1744
Injector 1 Control
37
YEL/BLK
846
Injector 6 Control
38
PNK/WHT
1101
Damping Lift/Dive Signal
39
--
--
Not Used
40
BLK/WHT
451
Ground
41
BLK
407
Low Reference
41
GRA
720
Low Reference (w/o Delphi HO2S)
42
--
--
Not Used
43
RED/BLK
877
Fuel Injector 7 Control
44
LT BLU/BLK
844
Fuel Injector 4 Control
45
GRA
474
5 Volt Reference (FTP Sensor)
46
GRY
474
5 Volt Reference (TPS Sensor)
47
GRY
597
5 Volt Reference (MAP Sensor)
48
GRA
596
5 Volt Reference (EGR Sensor)
49 50
--
--
Not Used
51
DK BLU
496
KS [1] Signal
52
--
--
Not Used
53
BLK
470
Low Reference
54
BLK
452
Low Reference
55
BRN
1456
EGR Valve Position Signal
56
--
--
Not Used
57
ORN
440
Battery Positive Voltage
58
DK GRN
1049
ECM/PCM/VCM Class 2 Serial Data
59
YEL
710
Class 2 Serial Data
60
ORN/BLK
469
Low Reference
61
PNK/BLK
632
Low Reference
62
--
--
Not Used
63
GRA
720
Low Reference
63
TAN
413
HO2S Low Reference (Denso Sensors) HO2S Low Signal (Delphi Sensors)
64
--
--
Not Used
65
PPL
1670
HO2S High Signal [- Bank 2 Sensor 2]
66
PPL
1666
HO2S High Signal [- Bank 2 Sensor 1]
67
--
--
Not Used
68
PPL/WHT
1668
HO2S High Signal [- Bank 1 Sensor 2]
69
PPL/WHT
1665
HO2S High Signal [- Bank 1 Sensor 1]
70
BRN
1174
Oil Level Switch Signal
71
--
--
Not Used
72
YEL
772
Transmission Range Switch Signal B
73
BRN/WHT
633
CMP Sensor Signal
74
YEL
410
ECT Sensor Signal
75
PNK
1020
Off/Run/Crank Voltage
76
BLK/WHT
845
Fuel Injector 5 Control
77
DK BLU/WHT
878
Fuel Injector 8 Control
78
--
--
Not Used
79
WHT
687
3-2 Shift Solenoid Valve Control
80
ORN/BLK
510
Low Reference
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• TPA (RED) 12176410
• Connector Cover 12191108
Pin
Wire Color
Circuit No.
Function
1
BLK/WHT
451
Ground
2
BRN
418
TCC PWM Solenoid Valve Control
3
TAN
1465
Fuel Pump Relay Control [- Secondary]
4
--
--
Not Used
5
TAN/BLK
464
Delivered Torque Signal
6
RED/BLK
1228
PC Solenoid Valve High Control (Sol. A)
7
RED
1676
EGR Valve Supply Voltage (5 Volt)
8
LT BLU/WHT
1229
PC Solenoid Valve Low Control (Sol. A)
9
DK GRN/WHT
465
Fuel Pump Relay Control [- Primary]
10
WHT
121
Engine Speed Signal
11
DK BLU
604
A/C High Pressure Recirculation Switch Signal
12
--
--
Not Used
13
LT BLU/BLK
396
Cruise Control Engaged Signal
14
--
--
Not Used
15
BRN
25
Charge Indicator Control
16
GRY/BLK
1694
4WD Low Signal
17
DK GRN/WHT
2523
A/C Request
18
--
--
Not Used
19
BLK/WHT
1695
Axle Switch Signal
20
LT GRN/BLK
822
VSS Low Signal
21
PPL/WHT
821
VSS High Signal
22
RED/BLK
1230
AT ISS High Signal
23
DK BLU/WHT
1231
AT ISS Low Signal
24
--
--
Not Used
25
TAN
472
IAT Sensor Signal
26
PPL
2121
IC 1 Control
27
RED
2127
IC 7 Control
28
LT BLU/WHT
2126
IC 6 Control
29
DK GRN/WHT
2124
IC 4 Control
30
--
--
Not Used
31
YEL
492
MAF Sensor Signal
32
LT GRN
432
MAP Sensor Signal
33
DK GRN
1614
Recirculation Actuator Control
34
DK GRN/WHT
428
EVAP Canister Purge Solenoid Control
35
--
--
Not Used
36
BRN
436
AIR Pump Relay Control
37-38
--
--
Not Used
39
RED
631
12 Volt Reference
40
BLK/WHT
451
Ground
41
WHT
257
EGR Solenoid Control
42
TAN/BLK
422
TCC Solenoid Valve Control
43
DK GRN/WHT
459
A/C Compressor Clutch Relay Control
44
--
--
Not Used
45
WHT
1310
EVAP Canister Vent Solenoid Control
46
BRN/WHT
419
MIL Control
47
YEL/BLK
1223
(2-3 Shift Solenoid or Shift Soleniod B) Valve Control
48
LT GRN
1222
(1-2 Shift Solenoid or Shift Soleniod A) Valve Control
49
YEL/BLK
1827
Vehicle Speed Signal
50
DK GRN/WHT
817
VSS Signal
51
YEL/BLK
1227
TFT Sensor Signal
52
GRA
23
Generator Field Duty Cycle Signal
53
--
--
Not Used
54
PPL
1589
Fuel Level Sensor Signal [- Primary]
55
DK GRN
603
A/C Low Pressure Switch Signal
56
--
--
Not Used
57
BLK
552
Low Reference
58-59
--
--
Not Used
60
BRN
2129
Low Reference
61
BRN/WHT
2130
Low Reference
62
GRA
773
Transmission Range Switch Signal C
63
PNK
1224
Transmission Fluid Pressure Switch Signal A
64
DK GRN
890
Fuel Tank Pressure Sensor Signal
65
--
--
Not Used
66
PPL/WHT
2128
IC 8 Control
67
RED/WHT
2122
IC 2 Control
68
DK GRN
2125
IC 5 Control
69
LT BLU
2123
IC 3 Control
70-71
--
--
Not Used
72
BLK/WHT
3122
HO2S Heater Low Control [- Bank 2 Sensor 1]
73
DK BLU
1936
Fuel Level Sensor Signal [- Secondary]
74
LT GRN/WHT
3213
HO2S Heater High Control [- Bank 2 Sensor 1]
75
--
--
Not Used
76
LT GRN/WHT
1749
IAC Coil B High Control
77
LT GRN/BLK
444
IAC Coil B Low Control
78
LT BLU/BLK
1748
IAC Coil A Low Control
79
LT BLU/WHT
1747
IAC Coil A High Control
80
LT GRN
Linear Mode
