volvo Workshop Repair Guides

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Range of vehicles require an Upgrade to A/C Switches and Harness Only.

UPGRADED VEHICLES

Vehicles which have been upgraded at the Port with new Switches/Harness can be identified by a sticker marked "PSH" on the Fan Shroud. These
vehicles are not to be upgraded.

Relays and Modules > Relays and Modules - Powertrain Management > Relays and Modules - Computers and Control Systems > Engine Control Module > Component Information > Technical Service Bulletins > All Technical Service Bulletins for Engine Control Module: > 00138A > May > 92 > Campaign - Performance Enhancement Update > Page 770

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