2009 Chevrolet Trailblazer 4.2L with codes P2534 and P0700?

Question

will this code cause speedometer not to work and transmission shifting problems?

Answer 1

P2534 Ignition 1 low voltage (for transmission)

Yes it will this is a type A condition with the thransmission, the transmission if the voltage is lower than expected, its voltage supply will be inadequate to operate the control solenoids properly.this code condition happens when when there is a open or a short in the ignition 1 circuit for the transmission.Check for proper power especailly at the joint connection and the TCM (transmission control module) fuse for proper power

Answer 2

P2534 CHEVROLET - Ignition Switch Run/Start Position Circuit Low
Read more: https://www.autocodes.com/p2534_chevrolet.html

P0700 CHEVROLET - Transaxle Control System Malfunction
Read more: https://www.autocodes.com/p0700_chevrolet.html