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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