Memory Heated Seat & Mirror Module
Before testing Memory Heated Seat & Mirror Module (MHSMM), test all other components. Replace MHSSM with known-good MHSMM. See MEMORY HEATED SEAT& MIRROR MODULE under REMOVAL & INSTALLATION. If system operates properly, replace MHSMM. If system does not operate properly, check for poor or damaged connectors, test circuits for heated seats, memory seats and memory mirrors for opens and/or shorts to ground. See WIRING DIAGRAMS . See Fig 1 . Repair as necessary.