Symptom Chart

NOTE: Refer to Description and Operation, Intelligent Access with Push Button Start in ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) to review the procedures for achieving the various ignition states on vehicles with this feature.

SYMPTOM CHART

Condition	Possible Sources	Action
No communication with the Driver Seat Module (DSM)	Fuse Wiring, terminals or connectors DSM	REFER to MODULE COMMUNICATIONS NETWORK .
No communication with the Dual Climate Controlled Seat Module (DCSM)	Fuse Wiring, terminals or connectors DCSM	REFER to MODULE COMMUNICATIONS NETWORK .
The power seat is inoperative - driver, without power recline	Fuse Wiring, terminals or connectors Seat control switch	GO to PINPOINT TEST A .
The power seat is inoperative - driver, with power recline	Fuse Wiring, terminals or connectors Seat control switch	GO to PINPOINT TEST B .
The power seat is inoperative - passenger, without power recline	Fuse Wiring, terminals or connectors Seat control switch	GO to PINPOINT TEST C .
The power seat is inoperative - passenger, with power recline	Fuse Wiring, terminals or connectors Seat control switch	GO to PINPOINT TEST D .
The power seat does not move horizontally/ vertically - driver, without power recline	Wiring, terminals or connectors Seat control switch Power seat motor Seat track	GO to PINPOINT TEST E .
The power seat does not move horizontally/ vertically/recline - driver, with power recline	Wiring, terminals or connectors Seat track Power seat motor Seat control switch	GO to PINPOINT TEST F .
The power seat does not move horizontally/ vertically - passenger, without power recline	Wiring, terminals or connectors Seat track Power seat motor Seat control switch	GO to PINPOINT TEST G .
The power seat does not move horizontally/ vertically/recline - passenger, with power recline	Wiring, terminals or connectors Seat track Power seat motor Seat control switch	GO to PINPOINT TEST H .
The memory seat is inoperative/does not operate correctly - does not operate horizontally/vertically/recline	Fuse Wiring, terminals or connectors Seat control switch Seat track Power seat motor DSM	GO to PINPOINT TEST I .
The memory seat does not operate correctly - does not operate using the memory SET switch	Wiring, terminals or connectors Memory SET switch Missing status information - Medium Speed Controller Area Network (MS-CAN) ignition status gear selector position Seat track Power seat motor DSM	GO to PINPOINT TEST J .
The memory seat does not operate correctly - the seat moves in one-second intervals	Wiring, terminals or connectors DSM	REFER to the Driver Seat Module (DSM) DTC Chart .
The memory seat does not operate correctly - the seat does not move to the correct memory position	Wiring, terminals or connectors Memory SET switch DSM Seat track	REFER to the Driver Seat Module (DSM) DTC Chart .
The memory seat does not operate correctly - does not operate using the Remote Keyless Entry (RKE) transmitter	RKE Integrated Keyhead Transmitter (IKT) is not correctly associated to a memory position Wiring, terminals or connectors IKT DSM Body Control Module (BCM)	VERIFY the RKE transmitter is operating correctly and is associated to a memory position. REFER to Owner's Literature or HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS for information on associating a RKE transmitter. RUN the DSM self-test and REFER to the Driver Seat Module (DSM) DTC Chart to diagnose any DTCs retrieved.
Easy entry/easy exit is inoperative/does not operate correctly	Easy entry/exit feature is not enabled Wiring, terminals or connectors Missing status information - Medium Speed Controller Area Network (MS-CAN) ignition status gear selector position Key-in-ignition switch DSM	GO to PINPOINT TEST K .
The power lumbar is inoperative - driver	Wiring, terminals or connectors Seat control switch Power lumbar motor assembly	GO to PINPOINT TEST L .
The power lumbar is inoperative - passenger	Wiring, terminals or connectors Seat control switch Power lumbar motor assembly	GO to PINPOINT TEST M .
The heated seat is inoperative/does not operate correctly - driver	Fuse Wiring, terminals or connectors FCIM Heater mat HVAC module	GO to PINPOINT TEST N .
The heated seat is inoperative/does not operate correctly - front passenger	Fuse Wiring, terminals or connectors FCIM Heater mat HVAC module	GO to PINPOINT TEST O .
The heated seat indicator is inoperative but the heated seat function operates correctly	FCIM	INSTALL a new FCIM. REFER to INFORMATION AND ENTERTAINMENT SYSTEMS . TEST the system for normal operation.
The front fold-flat seat backrest does not operate correctly - the recliners do not lock in place, release or are not synchronized	Fold-flat recliner cable RH fold-flat recliner LH fold-flat recliner	ADJUST the fold-flat recliners and cable. REFER to passenger seat with fold-flat backrest in the installation portion of SEAT BACKREST - FRONT . After adjustment, VERIFY the recliners are synchronized and locked in place. If the concern remains, CHECK the cable and recliners for correct operation and INSTALL new as necessary.
The heated seats are inoperative - rear	Fuse Wiring, terminals or connectors Heated seat module	GO to PINPOINT TEST P .
The heated seat is inoperative/does not operate correctly - left rear	Wiring, terminals or connectors Heated seat switch Heater mat Heated seat module	GO to PINPOINT TEST Q .
The heated seat is inoperative/does not operate correctly - right rear	Wiring, terminals or connectors Heated seat switch Heater mat Heated seat module	GO to PINPOINT TEST R .
The heated seat is inoperative - left rear seat does heat but the heated seat indicator does not illuminate when pressed	Wiring, terminals or connectors Heated seat switch Heated seat module	GO to PINPOINT TEST S .
The heated seat is inoperative - right rear seat does heat but the heated seat indicator does not illuminate when pressed	Wiring, terminals or connectors Heated seat switch Heated seat module	GO to PINPOINT TEST T .
The heated seat is inoperative - left rear seat does heat but the heated seat indicator is on all the time	Wiring, terminals or connectors Heated seat module	GO to PINPOINT TEST U .
The heated seat is inoperative - right rear seat does heat but the heated seat indicator is on all the time	Wiring, terminals or connectors Heated seat module	GO to PINPOINT TEST V .
All climate controlled seats are inoperative	Fuse Wiring, terminals or connectors Infotainment Controller Area Network (I-CAN) communication fault High Speed Controller Area Network (HS-CAN) communication fault Medium Speed Controller Area Network (MS-CAN) communication fault DCSM FCIM	VERIFY Battery Junction Box (BJB) fuse 28 (30A) is OK. If OK, CARRY OUT the network test using a scan tool and VERIFY network communication of the FCIM and DCSM. REFER to MODULE COMMUNICATIONS NETWORK to diagnose a module communication or network concern. If OK, CARRY OUT the DCSM self-test and RETRIEVE any DTCs. If any DTC is present, REFER to the Dual Climate Controlled Seat Module (DCSM) DTC Chart . CHECK the climate control system for correct operation. REFER to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS for diagnosis of the FCIM or climate control system. If OK, INSTALL a new DCSM. REFER to DUAL CLIMATE CONTROLLED SEAT MODULE (DCSM) .
A single climate controlled seat is inoperative	Wiring, terminals or connectors Touchscreen DCSM	NOTE: If a fault occurs setting a DTC specific to only one climate controlled seat, the DCSM disables only the affected seat outputs and allow the other seat to remain operational. CHECK for DTCs specific to the affected climate controlled seat and if a DTC is present, REFER to the Dual Climate Controlled Seat Module (DCSM) DTC Chart . GO to PINPOINT TEST W .
A single climate controlled seat does not operate correctly - poor or intermittent cooling/heating	Excessive sun load or extreme cabin temperatures Incorrectly installed Thermo-Electric Device (TED) or manifold Air flow blockage TED DCSM	CARRY OUT the DCSM self-test and retrieve any DTCs. If any DTC is present, REFER to the Dual Climate Controlled Seat Module (DCSM) DTC Chart . If no DTC is present, CHECK the affected seat cushion or backrest for correct installation of the climate controlled seat components (TED, manifold air duct and foam pad) and REPAIR as needed. If OK, CHECK for air flow restrictions (TED inlets and outlets, TED-to-manifold connections, filters and ducts) and REPAIR as needed. CHECK the TED cooling performance on the affected seat and VERIFY the system is operating correctly. REFER to THERMO-ELECTRIC DEVICE (TED) COOLING PERFORMANCE . RETEST the system for normal operation.
A single climate controlled seat does not operate correctly - exhibits poor air flow or performance	Incorrectly installed TED or manifold Air flow blockage Disconnected air duct	CARRY OUT the DCSM self-test and retrieve any DTCs. If any DTC is present, REFER to the Dual Climate Controlled Seat Module (DCSM) DTC Chart . If no DTC is present, CHECK the affected seat cushion or backrest for correct installation of the climate controlled seat components (TED, manifold air duct and foam pad) and REPAIR as needed. If OK, CHECK for air flow restrictions (TED inlets and outlets, TED-to-manifold connections, filters and ducts) and REPAIR as needed. RETEST the system for normal operation.
The power seat is inoperative/does not operate correctly - both rear, power fold	Fuse Wiring, terminals or connectors Rear seat release relay Rear power seat release switch BCM	GO to PINPOINT TEST X .
The power seat is inoperative/does not operate correctly - left rear, power fold	Wiring, terminals or connectors Rear seat release relay Rear power seat release switch Power-fold actuator	GO to PINPOINT TEST Y .
The power seat is inoperative/does not operate correctly - right rear, power fold	Wiring, terminals or connectors Rear seat release relay Rear power seat release switch Power-fold actuator	GO to PINPOINT TEST Z .
The second row seat recliner does not operate correctly	Seat recliner not synchronized Seat recliner damaged Seat recliner cable	CHECK for correct seat recliner synchronization. REFER to SEAT - REAR, 40 PERCENT or SEAT - REAR, 60 PERCENT . If recliner synchronization is OK, INSTALL new parts as necessary.