What’s wrong with my Chevrolate Lumina 2008?

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15/12/2021 12:18 pm

Topic starter

Hi every body , hope you enjoing your time ... my question about my lumina chevrolate 2008 v6 150000 km , at early morning when car still cold sometimes it is difficult or late to catch auto transmission from 0 to 1 speed and some times when i hold break from higher speed to idle speed , gear is slipping or i feel ( empty gear) with no response of transmission for 2 to 3 second then it comes normal , after heat is grow up every thing is ok ... tcm open circut code since 6 months , oil is ok changed by suction but filter was not changed ... is it serious problem ?? Electrical ? Mechanical ? With great thanks

Qassssam

(@qassssam)

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3 Answers

15/12/2021 12:44 pm

tcm open circut code

Can you scan it and tell us what exact codes are shown?

There are also some similar topics:

https://carkiller.com/scottykilmer/qa/transmission-malfunctions-when-cold/

https://carkiller.com/scottykilmer/qa/transmission-slips-at-cold-start/

https://carkiller.com/scottykilmer/qa/transmission-issue-only-when-cold/

G.T.

(@g-t)

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20:22 O O O
Read
U0101
Control unit:Engine control unit
Status: Confirmed
OBDII: Data bus, transmission control module (TCM) -
no communication
Chevrolet: Lost Communication With Transmission
Control Module Invalid Data
Click to search for description on the Internet ..
U0073
Control unit:Engine control unit
Status: Confirmed
OBDII: Control module - data bus Off
Chevrolet: Control Module Communication Bus A Off
Short to Battery; Control Module Communication Bus
A Off Short to Ground; Control Module Communication
Bus A Off Open; ECU HS Bus Off; ECU LS Bus Off
Click to search for description on the Internet ..
P0521
Control unit:Engine control unit
Status: Confirmed
OBDII: Engine oil pressure sensor/switch - range/
performance problem
Click to search for description on the Internet.
P0500
Control unit:Engine control unit
Status: Confirmed
OBDII: Vehicle speed sensor (VSS) - circuit
malfunction