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Symptom:
DRIVER HEATED SEAT SWITCH OPEN - DDM
When Monitored and Set Condition:
DRIVER HEATED SEAT SWITCH OPEN - DDM
When Monitored: Continuously.
Set Condition: If the switch MUX circuit is over 4.9 volts for over 10 second, this code will
set.
DTC PRESENT
DRIVER SEAT SWITCH
SWITCH MUX WIRE OPEN
SWITCH MUX WIRE SHORT TO VOLTAGE
DRIVER DOOR MODULE
SEAT SWITCH MUX RETURN OPEN
TEST
1
Turn the ignition on.
With the DRBIII , erase DTCs.
Cycle the ignition switch from Off to Run.
Operate the switch indicated by the DRBlll in all positions several times.
With the DRBIII , read DTCs.
Does the DRBIII display the same DTC?
Yes → Go To 2
→ The condition that caused this code to set is not present at this
No
2
Turn the ignition on.
With the DRBIII in Sensors, read the Seat Switch voltage of the switch that had the
DTC.
Select the voltage displayed.
4.4 to 5.1 volts.
Over 5.2 volts
ELECTRICALLY HEATED SYSTEMS
POSSIBLE CAUSES
ACTION
time. Review wiring schematics and inspect related wiring for an
intermittent condition.
Perform BODY VERIFICATION TEST - VER 1.
Go To 3
Go To 5
385
APPLICABILITY
All
All
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