DaimlerChrysler said it had no reports of any accidents as a result of darkened gauges and warning lamps, and added that its own field tests showed that the problem was unlikely to occur.
Owners of the vehicles were notified by mail last month to take their vehicles to a DaimlerChrysler dealership, where the potentially faulty microprocessors will be reprogrammed free of charge.
The recall is the first significant one for the PT Cruiser, one of the hottest-selling vehicles on the market since it was launched early last year. DaimlerChrysler issued a recall on the PT Cruiser last year because the owner's manuals were missing instructions for the child seat restraint system.
The U.S. National Highway Traffic Safety Administration said on Thursday that Mitsubishi Motors Corp. has recalled its 25,803 of its 2000 Galant sedan and Eclipse sports coupe because a power-steering fluid tube could touch the exhaust system and overheat, risking a leak and a fire.