TCS Slip Limp Mode
 

FWIW....2005 350Z Touring AT....

SLIP, TCS, Engine Service came on morning start. Pretty much backed out of driveway
and then forward in idle. Attempted to accelerate and ... NOTHING.
Idled back into garage. Found green soft plastic pieces on the carpet.

Removing the accelerator pedal assembly is easy 2 10mm nut and cable clip exercise.
There appears to be a non listed part that acts as a spacer for idle positioning of the pedal rod.

Rather than buy the entire assembly I purchased a 1" nylon bolt and wing nut.
the head of the bolt approximates the 5mm spacing of the original green thing.

Two nuts and wiring harness clip later....Success.
No idiot lights and idle just a tad bit fast (probably off on the 5mm measurement).