Questions & Answers for: GMC trans limp mode

Question about 2003 Sierra 2500HD

1 Answer

...limp mode and won't go over 2000 rpm. Shut truck off and wait. Restart and same thing. Allison trans 8.1L engine ext. cab short bed. Take your positive cable off battery and wait a few minutes..This ...

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Question about 1993 Sierra K1500

1 Answer

...shift what could cause this problem? ASE mechanic. the trans won't shift if in limp mode. starts off in third and remains in third until problem is addressed. a computer scanner should show

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limp-home mode. No 1st or 4th available; trans shifts 2nd to 3rd by itself in D or OD and locks the converter : Shift A solenoid failed. Easy fix in the pan. Or a wiring problem from PCM to trans.. or

...limp-home mode. No 1st or 4th available; trans shifts 2nd to 3rd by itself in D or OD and locks the converter : ShiftA solenoid failed. Easy fix in the pan. Or a wiring problem from PCM to trans.. or ...

Question about 1998 Jimmy

1 Answer

the road I have nothing above second gear. How do I unset this? check the trans fuse...it blowing, will keep the car in limp mode, either that, or you need to replace Solenoid B, 1/2 Shift Solenoids..

...problems. Even if you lose electrical power to the trans you should still have 2nd. If the fuse for the trans blows it will go into the limp home mode where you will have 2nd & reverse. Good

...trans will go into limp-home mode. Be sure the trans has power and the fuse is not blown before doing anything else. What is "limp-home mode" ? This is a fault mode in which the transmission either ...

...trans will go into limp-home mode. Be sure the trans has power and the fuse is not blown before doing anything else. Also note that many problems that show up as transmission issues are actually PCM ...

Question about 1996 Jimmy

1 Answer

...limp-home mode. No 1st or 4th available; trans shifts 2nd to 3rd by itself in D or OD and locks the converter :ShiftA solenoid failed. Easy fix in the pan. Or a wiring problem from PCM to trans.. or ...

Question about 1994 Safari

1 Answer

...trans will generate more heat than normal while operating in limp-home mode due to increased torque converter slippage during 2nd gear starts and no lockup in 3rd gear. The other from what you ...

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