"ISSUE: CUSTOMER REPOR TS A PARKBRAKE WARNING LAMP
I L LUMINATED AND / OR PARKBRAKE FAUL T MESSAGE DISPLAYED
IN THE IPK (INSTRUMENT PACK), FOLLOWING INVESTIGATION
WI TH SDD THE FOL LOWING DTC P1571-64 (BRAKE SWI TCH -
SIGNAL PLAUSIBILITY) IS STORED.
CAUSE: A COMMUNICAT IONS ISSUE BETWEEN THE
POWER T RAIN CONT ROL MODULE AND THE PARKBRAKE MODULE."
