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G269
G1026 General Motors Reference
Subject: General Motors transmission solenoid resistance
Source: General Motors service manualsRefer to the following tables to measure transmission solenoid resistance in various GeneralMotors transmissions. Resistance changes with temperature, and solenoids should be testedat, or close to, the temperatures listed for most accurate evaluation.
This reference includes the following resistance specification tables: Table G1026-1 4L30E Table G1026-2 4L60E, 199399 Table G1026-3 4L60E and 4L65E, 20022004 Table G1026-4 4L80E, 2001 and earlier Table G1026-5 4L80-E and 4L85E, 20022004 Table G1026-6 5L40E Table G1026-7 3T40 Table G1026-8 4T40E and 4T45E, 2001 and earlier Table G1026-9 4T40E and 4T45E, 20022004 Table G1026-10 4T60E Table G1026-11 4T65E, 2001 and earlier Table G1026-12 4T65E, 20022004 Table G1026-13 4T80E, 2001 and earlier Table G1026-14 4T80E, 20022003 Table G1026-15 4T80E, 2004
Table G1026-1 4L30E
Solenoid Resistance at 68F Resistance at 158F
12/34 Shift 17.5 to 18.5 ohms 21.0 to 21.1 ohms
23 Shift 17.5 to 18.5 ohms 21.0 to 21.1 ohms
Band Apply 9.5 to 10.5 ohms 11.5 to 12.5 ohms
Pressure Control 3.5 to 4.6 ohms 4.2 to 5.5 ohms
TCC/PWM 17.5 to 18.5 ohms 21.0 to 21.1 ohms
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G270
General Motor s ReferenceG1026
Table G1026-2 4L60E, 199399
Solenoid Resistance at 68F Resistance at 212F
12 Shift (A) 19 to 24 ohms 24 to 31 ohms
23 Shift (B) 19 to 24 ohms 24 to 31 ohms
32 Shift (199395) 10 to 11 ohms 13 to 15 ohms
32 Shift (199699) 19 to 24 ohms 24 to 31 ohmsPressure Control 3.0 to 5.0 ohms 4.0 to 7.0 ohms
TCC Enable 21 to 26 ohms 26 to 33 ohms
TCC/PWM 10 to 11 ohms 13 to 15 ohms
Table G1026-3 4L60E and 4L65E, 20022004
Solenoid/Sensor Resistance at 68F Resistance at 212F Resistance to Case
12 Shift Solenoid 19 to 24 ohms 24 to 31 ohms Over 250 Kohms
23 Shift Solenoid 19 to 24 ohms 24 to 31 ohms Over 250 Kohms
32 Shift Solenoid 20 to 24 ohms 29 to 32 ohms Over 250 Kohms
Pressure Control Solenoid 3.0 to 5.0 ohms 4.0 to 7.0 ohms Over 250 KohmsTCC Solenoid 21 to 26 ohms 26 to 33 ohms Over 250 Kohms
TCC/PWM Solenoid 10 to 11 ohms 13 to 15 ohms Over 250 Kohms
TFT Sensor 3088 to 3942 ohms 159.3 to 198.0 ohms Over 10 Mohms
VSS, 2WD 1377 to 2220 ohms 1800 to 3355 ohms Over 10 Mohms
VSS, 4WD 1420 ohms @ 77F 2140 ohms @ 302F Over 10 Mohms
Table G1026-4 4L80E, 2001 and earlier
Solenoid Resistance at 68F Resistance at 212F
12 Shift (A) 20 to 40 ohms 25 to 55 ohms
23 Shift (B) 20 to 40 ohms 25 to 55 ohmsPressure Control 3.5 to 8.0 ohms 3.5 to 10 ohms
TCC/PWM 10 to 15 ohms 11 to 25 ohms
Table G1026-5 4L80-E and 4L85E, 20022004
Solenoid/Sensor Resistance at 68F Resistance at 212F Resistance to Case
12 Shift Solenoid 19 to 24 ohms 24 to 31 ohms Over 250 Kohms
23 Shift Solenoid 19 to 24 ohms 24 to 31 ohms Over 250 Kohms
Pressure Control Solenoid 3.0 to 5.0 ohms 4.0 to 7.0 ohms Over 250 Kohms
TCC/PWM Solenoid 10 to 11 ohms 13 to 15 ohms Over 250 Kohms
TFT Sensor 3088 to 3942 ohms 159.3 to 198.0 ohms Over 10 MohmsVSS, ISS, and OSS 1420 ohms @ 77F 2140 ohms @ 302F Over 10 Mohms
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G271
General Motor s ReferenceG1026
Table G1026-6 5L40E
Solenoid Resistance at 68F Resistance at 212F
12 Shift 15.0 to 17.0 ohms 17.9 to 20.3 ohms
23 Shift 15.0 to 17.0 ohms 17.9 to 20.3 ohms
45 Shift 15.0 to 17.0 ohms 17.9 to 20.3 ohms
Pressure Control 3.5 to 4.6 ohms 4.2 to 5.5 ohmsTCC/PWM 10.0 to 11.5 ohms 11.8 to 13.6 ohms
Table G1026-7 3T40
Solenoid Resistance at 68F Resistance at 212F
TCC Enable 19 to 31 ohms 24 to 31 ohms
Table G1026-8 4T40E and 4T45E, 2001 and earlier
Solenoid Resistance at 68F Resistance at 212F
12 Shift (A) 19 to 24 ohms 24 to 31 ohms
23 Shift (B) 19 to 24 ohms 24 to 31 ohmsPressure Control 3.0 to 5.0 ohms 4.0 to 7.0 ohms
TCC/PWM 10.0 to 11.0 ohms 13.0 to 15.0 ohms
Table G1026-9 4T40E and 4T45E, 20022004
Solenoid/Sensor Resistance at 68F Resistance at 212F Resistance to Case
12 Shift Solenoid 19 to 24 ohms 24 to 31 ohms Over 250 Kohms
23 Shift Solenoid 19 to 24 ohms 24 to 31 ohms Over 250 Kohms
Pressure Control Solenoid 3.0 to 5.0 ohms 4.0 to 7.0 ohms Over 250 Kohms
TCC/PWM Solenoid 10 to 11 ohms 13 to 15 ohms Over 250 Kohms
TFT Sensor 3106 to 3923 ohms 164 to 190 ohms Over 20 MohmsISS (AT) 625 to 725 ohms 750 to 835 ohms Over 10 Mohms
OSS (AT) 1500 to 1750 ohms 1750 to 1900 ohms Over 10 Mohms
Table G1026-10 4T60E
Solenoid Resistance at 68F Resistance at 190F
12 Shift (A) 20 to 30 ohms 23 to 50 ohms
23 Shift (B) 20 to 30 ohms 23 to 50 ohms
TCC Enable 20 to 30 ohms 23 to 35 ohms
TCC/PWM 10 to 15 ohms 11 to 25 ohms
Table G1026-11 4T65E, 2001 and earlier
Solenoid Resistance at 68F Resistance at 212F
12 Shift (A) 19 to 24 ohms 24 to 31 ohms
23 Shift (B) 19 to 24 ohms 24 to 31 ohms
Pressure Control 3 to 5 ohms 4 to 7 ohms
TCC/PWM 10 to 11 ohms 13 to 15 ohms
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G272
General Motor s ReferenceG1026
Table G1026-12 4T65E, 20022004
Solenoid/Sensor Resistance at 68F Resistance at 190F Resistance to Case
12 Shift Solenoid 19 to 24 ohms 24 to 31 ohms Over 250 Kohms
23 Shift Solenoid 19 to 24 ohms 24 to 31 ohms Over 250 Kohms
Pressure Control Solenoid 3.0 to 5.0 ohms 5.0 to 6.0 ohms Over 250 Kohms
TCC/PWM Solenoid 10 to 12 ohms 13 to 15 ohms Over 250 KohmsTFT Sensor 3164 to 3867 ohms 225 to 285 ohms Over 10 Mohms
ISS (AT) 820 to 1020 ohms 1132 to 1428 ohms Over 250 Kohms
VSS 1650 to 2200 ohms 2360 to 3180 ohms Over 10 Mohms
At 302F
Table G1026-13 4T80E, 2001 and earlier
Solenoid Resistance at 68F Resistance at 190F
12 Shift (A) 20 to 30 ohms 23 to 50 ohms
23 Shift (B) 20 to 30 ohms 23 to 50 ohms
Pressure Control 3.5 to 4.6 ohms 3.5 to 8.0 ohmsTCC/PWM 10 to 15 ohms 11 to 25 ohms
Table G1026-14 4T80E, 20022003
Solenoid/Sensor Resistance at 68F Resistance at 176F Resistance to Case
12 Shift Solenoid 20 to 30 ohms 23 to 50 ohms Over 250 Kohms
23 Shift Solenoid 20 to 30 ohms 23 to 50 ohms Over 250 Kohms
Pressure Control Solenoid 3.0 to 8.0 ohms Over 250 Kohms
TCC/PWM Solenoid 10 to 15 ohms 11 to 25 ohms Over 250 Kohms
TFT Sensor 3088 to 3942 ohms 159.3 to 198.0 ohms Over 10 Mohms
VSS 1260 to 1540 ohms Over 10 MohmsISS (AT) 1260 to 1540 ohms
Table G1026-15 4T80E, 2004
Solenoid/Sensor Resistance at 68F Resistance at 176F Resistance to Case
12 Shift Solenoid 20 to 30 ohms 23 to 50 ohms Over 250 Kohms
23 Shift Solenoid 20 to 30 ohms 23 to 50 ohms Over 250 Kohms
Pressure Control Solenoid 3.0 to 5.0 ohms 4.0 to 7.0 ohms Over 250 Kohms
TCC/PWM Solenoid 10 to 15 ohms 11 to 25 ohms Over 250 Kohms
TFT Sensor 2981 to 4018 ohms 293 to 372 ohms Over 10 Mohms
VSS 1260 to 1540 ohms 1563 to 1911 ohms Over 10 MohmsISS (AT) 1260 to 1540 ohms 1546 to 1872 ohms Over 10 Mohms