what are the possible causes of p1618 on 2000 Volvo s80 and solution

Question

1999 Volvo s80 2.9, the car will not crank from the ignition key but cranks from the starter motor. When it starts like that and I push the gear into drive, its as if its in limp mode and the car is sluggish.

Answer 1

Hi there,

This code indicates an issue with the wiring between the TCM and ECM. Here is some info for you.

P1618 VOLVO - Wiring Cable Fault Between AW TCM And ECM

Read more: https://www.autocodes.com/p1618_volvo.html