LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2009 >> LX 570 >> Repair and Diagnosis >> Body & Frame >> Seats >> Climate Control Seat System (Diagnostics - Introduction) >> Climate Control Seat System >> Diagnostic Trouble Code Chart >> Diagnostic Trouble Code Chart
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Trouble Code Chart

HINT: 

If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See" below.

CLIMATE CONTROL SEAT SYSTEM

DTC Code Detection Item Trouble Area See
B14F0 Cushion Peltier Temperature Sensor Malfunction - Seat climate control controller
- Seat climate control ECU
- Harness or connector
Refer to DTC B14F0: Cushion Peltier Temperature Sensor Malfunction
B14F1 Seatback Peltier Temperature Sensor Malfunction - Seat climate control controller
- Seat climate control ECU
- Harness or connector
Refer to DTC B14F1: Seatback Peltier Temperature Sensor Malfunction
B14F2 Seat Heater Temperature Sensor Malfunction - Front seat cushion heater
- Seat climate control ECU
- Harness or connector
Refer to DTC B14F2: Seat Heater Temperature Sensor Malfunction
B14F3 Overcurrent Detected in Cushion Peltier - Seat climate control controller
- Seat climate control ECU
- Harness or connector
Refer to DTC B14F3: Overcurrent Detected in Cushion Peltier
B14F4 Overcurrent Detected in Seatback Peltier - Seat climate control controller
- Seat climate control ECU
- Harness or connector
Refer to DTC B14F4: Overcurrent Detected in Seatback Peltier
B14F5 Overcurrent Detected in Seat Heater - Front seat cushion heater
- Seat climate control ECU
- Harness or connector
Refer to DTC B14F5: Overcurrent Detected in Seat Heater