1994 LeSebre

I have a 94 LeSebre and I put a trans out 92 LeSebre the problem is it reverse and takes off in either drive or second but never shifts. Could it be thottle postion senser and where is it located?
Thanks much
Doug A.
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snipped-for-privacy@merr.com wrote:

I may likely be wrong but isn't the 92 a 4T60 and the 94 a 4T60E ?
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That sounds right. But why would someone put a tranny in a car that doesn't have all the plugs for the wires to go into? That doesn't sound right.
Steve
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wrote:

That is what I thought too. Don't trust my memory about things like this, though.
When I researched this once before, seems that I found that there is no way in practice to make the E work in that application.
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Pretty sure 92 was an electronic unit also.
wrote:

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You're good shep. The 1992 is also a 4T60E. However, doing the cross reference, I see this:
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24218333 TRANSAXLE,AUTO(ACDELCO REMAN) 4T60E With RPO 4-SPD A/TRANS(M13) ^ 3.06R(FW2) CODE 5YZW
YearMakeModelEngine 1995BUICKLESABRE CUSTOMV6 3.8L 231cid GAS FI N Engine VIN = L 1995BUICKLESABRE LIMITEDV6 3.8L 231cid GAS FI N Engine VIN = L 1994BUICKLESABRE CUSTOMV6 3.8L 231cid GAS FI N Engine VIN = L 1994BUICKLESABRE LIMITEDV6 3.8L 231cid GAS FI N Engine VIN = L 1994BUICKPARK AVENUEV6 3.8L 231cid GAS FI N Engine VIN = L 1994OLDSMOBILE98 REGENCYV6 3.8L 231cid GAS FI N Engine VIN = L 1994OLDSMOBILE98 REGENCY ELITEV6 3.8L 231cid GAS FI N Engine VIN = L
-----------------------------------
19125136 TRANSAXLE,AUTO(ACDELCO REMAN) 4T60E With RPO 4-SPD A/TRANS(M13) ^ 3.06R(FW2) ^ TIRE(QGY) ^ TIRE(QPE) CODE 2YZW, 2Y4W Without RPO ELEC
YearMakeModelEngine 1992BUICKLESABRE CUSTOMV6 3.8L 231cid GAS FI N Engine VIN = L 1992BUICKLESABRE LIMITEDV6 3.8L 231cid GAS FI N Engine VIN = L 1992BUICKPARK AVENUEV6 3.8L 231cid GAS FI N Engine VIN = L 1992BUICKRIVIERAV6 3.8L 231cid GAS FI N Engine VIN = L 1992OLDSMOBILE98 REGENCYV6 3.8L 231cid GAS FI N Engine VIN = L 1992OLDSMOBILE98 REGENCY ELITEV6 3.8L 231cid GAS FI N Engine VIN = L 1992OLDSMOBILE98 REGENCY TOURINGV6 3.8L 231cid GAS FI N Engine VIN = L 1992OLDSMOBILEDELTA 88 ROYALEV6 3.8L 231cid GAS FI N Engine VIN = L 1992OLDSMOBILEDELTA 88 ROYALE LSV6 3.8L 231cid GAS FI N Engine VIN = L 1992OLDSMOBILETORONADO TROFEOV6 3.8L 231cid GAS FI N Engine VIN = L 1992OLDSMOBILETORONADOV6 3.8L 231cid GAS FI N Engine VIN = L 1991BUICKPARK AVENUE ULTRAV6 3.8L 231cid GAS FI N Engine VIN = L 1991BUICKPARK AVENUEV6 3.8L 231cid GAS FI N Engine VIN = L 1991BUICKREATTAV6 3.8L 231cid GAS FI N Engine VIN = L 1991BUICKRIVIERAV6 3.8L 231cid GAS FI N Engine VIN = L 1991OLDSMOBILE98 REGENCY ELITEV6 3.8L 231cid GAS FI N Engine VIN = L 1991OLDSMOBILE98 REGENCY TOURINGV6 3.8L 231cid GAS FI N Engine VIN = L 1991OLDSMOBILETORONADO TROFEOV6 3.8L 231cid GAS FI N Engine VIN = L 1991OLDSMOBILETORONADOV6 3.8L 231cid GAS FI N Engine VIN = L
-----------------------------------
24213912 TRANSAXLE,AUTO(ACDELCO REMAN) 4T60E With RPO 4-SPD A/TRANS(M13) ^ 3.06R(FW2) ^ ELEC TRACTION CONT(NW9) ^ TIRE(QGY) CODE 2CSW, 2C2W
1992BUICKLESABRE CUSTOMV6 3.8L 231cid GAS FI N Engine VIN = L 1992BUICKLESABRE LIMITEDV6 3.8L 231cid GAS FI N Engine VIN = L 1992BUICKPARK AVENUEV6 3.8L 231cid GAS FI N Engine VIN = L 1992OLDSMOBILE98 REGENCYV6 3.8L 231cid GAS FI N Engine VIN = L 1992OLDSMOBILE98 REGENCY ELITEV6 3.8L 231cid GAS FI N Engine VIN = L 1992OLDSMOBILE98 REGENCY TOURINGV6 3.8L 231cid GAS FI N Engine VIN = L 1992OLDSMOBILEDELTA 88 ROYALEV6 3.8L 231cid GAS FI N Engine VIN = L 1992OLDSMOBILEDELTA 88 ROYALE LSV6 3.8L 231cid GAS FI N Engine VIN = L
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Even when searching www.car-parts.com, the only transmissions listed as compatible are 1994 and 1995 models. My opinion is that the electronics in the 1992 4T60E are not compatible with the 1995 PCM.
Steve

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All the plugs were the same and no wires left over. I,m 99% sure that it was a 92 4T60E. I will check this later today. The orginal trans for the 94 had no reverse or any forward gears. I bought the 92 because it was wrecked thought I could use the parts.
But thanks for the info, Doug A.
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Good work Steve, good possibility there, might only be software issues but who knows?

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Doing some more research. The 1992 ECM is 16141470 and the 1995 PCM is 16183247. The 1995 PCM uses the same ALDL8192 communications as my 1995 Monte Carlo 16196401, however the 16183247 uses the 27C512 EPROM while mine uses the 27C256 EPROM.
Aside from that, the 1992 ECM uses the older ALDL160 communictions. So, in conclusion, I agree the problem with the OP's transmission is most likely communication issue. The newer PCM just can't control the old tranny.
16141470 Application:1991-93 3.8 V6 SFI "L" L27 (exc. "W" body) 1991-93 3.8 V6 SFI supercharged "1" L67 1992-93 truck 3.8 V6 SFI "L" L27
16183247 Application:1994-95 3.8 V6 SFI "L" L27 1995 3.8 V6 SFI "K" L36 1994-95 3.8 V6 SFI supercharged "1" L67 1994-95 truck 3.8 V6 SFI "L" L27 MEMCAL IDs:"L": BMYU, . "1": . "K": . EPROM type:27C512
Steve

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Thanks alot everybody for the info I know what I have to do.
thanks again
Doug A.
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