WebCODE 69- TCC Stuck ON Parameters: No codes 21,22,28,74 are set. TCC slip indicates TCC is ON. TCC is commanded OFF. TP sensor indicates load greater than 25%. D-4 or D-3 range is indicated. PCM commands unit to second or third gears. The above conditions are present for more than two seconds. NOTE: No PCM default actions are taken for … WebTCC slip speed should be 10 rpm or less also note if the shudder takes place during TCC apply. If the TCC slip speed is in the range of 10 RPM or less the condition is possibly …
TCC Slip Speed Issue - GMC Yukon Forum Tahoe Z71
Web26 de out. de 2008 · TCC will apply not modulate slip RPM at 30-40 mph. Beyond 40 mph, TCC apply is short and harsh…. and/or a harsh TCC release on coast and/or 1-2 shift is too harsh. The adjuster is too far inward, back it out/ counter-clockwise as required 1.5 to 2.5 turns. Low cooler flow when in lockup. No TCC flow drop upon engagement or shifting. Webclutch enabled (Mode C, TCC slip speed at zero), then the vibration root cause is NOT TCC Shudder. Vibrations not identified as TCC Shudder should be further investigated using the Vehicle Vibration Diagnosis in SI as a starting point. Picoscope Test The PicoScope (CH-51450) essential tool and NVH software or GDS must be used to confirm TCC earaches kids
AW 55-50 / AF23-33: Diagnosis and Valve Body Information
Web1 de jun. de 2024 · So i started to log some transmission parameters and noticed the TCC slip would get up to 1500 +. My guess from research is that my torque converter is going bad or is already bad. I just wanted a second opinion. I have attached a scan and you can see where the RPMs jump at 2:27:51. may 11 test.hpl. 05-11-2024 #2. WebNo TCC Solenoid Electrical DTCs 2004trans4.doc -8191 RPM ≤ TCC Slip Speed ≤ 8191 RPM (cal’d out) 1st Gear is Commanded 0.65 ≤ Gear Ratio ≤ 0.75 (4th Gear Ratio) The above conditions are true for 1 second SS Fail Case 6 Time Since Last Gear Selector Range Change ≥ 1 second TP ≥ 10% 60 lb ft ≤ Engine Torque ≤ 200 lb ft Web3 de mar. de 2013 · The partial lockup is a bit normal, as GM doesn't ever fully lock the converter, it is pulse width modulated. We can alter the minimum lockup percentage to … csrs taxable amount