Jeep Grand Cherokee WK. Manual — part 382
B10BB-LEFT HEATED SEAT SWITCH INPUT CIRCUIT STUCK
8G - 34
HEATED SEATS - ELECTRICAL DIAGNOSTICS
WK
B10BB-LEFT HEATED SEAT SWITCH INPUT CIRCUIT STUCK (CONTINUED)
For the Heated Seat System circuit diagram (Refer to 8 - ELECTRICAL/HEATED SEATS - SCHEMATICS AND DIA-
GRAMS)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:Ignition on.
•
Set Condition:This code is set when the Cluster detects a stuck heated seat switch.
Possible Causes
(P365) LEFT HEATED SEAT SWITCH SENSE PARTIALLY SHORTED TO GROUND
LOWER SWITCH BANK
CLUSTER
Diagnostic Test
1.
VERIFY THAT DTC B10BB-LEFT HEATED SEAT SWITCH INPUT CIRCUIT STUCK IS ACTIVE
With the scan tool, record and erase DTC’s
Cycle the ignition switch off then back on.
With the scan tool, read DTC’s.
Does the DTC B10BB LEFT HEATED SEAT SWITCH INPUT CIRCUIT STUCK reset?
Yes
>> Go To 2
No
>> The conditions that caused this code to set are not present at this time. Using the wiring diagram/sche-
matic as a guide, inspect the wiring and connectors.
Perform BODY VERIFICATION TEST – VER 1.
2.
HEATED SEAT SWITCH
With the scan tool, record and erase DTC’s
Disconnect the lower switch bank.
Cycle the ignition switch off then back on.
With the scan tool, read DTC’s.
Does the DTC B10BB LEFT HEATED SEAT SWITCH INPUT CIRCUIT STUCK reset?
Yes
>> Go To 3
No
>> Replace the lower switch bank.
Perform BODY VERIFICATION TEST – VER 1.
WK
HEATED SEATS - ELECTRICAL DIAGNOSTICS
8G - 35
B10BB-LEFT HEATED SEAT SWITCH INPUT CIRCUIT STUCK (CONTINUED)
3.
CHECK THE (P365) LEFT HEATED SEAT SWITCH SENSE CIRCUIT FOR A PARTIAL SHORT TO GROUND
Disconnect the Cluster C3 connector.
Measure the resistance between ground and the (P365) Left Heated
Seat Switch Sense circuit.
Was the resistance below 10k ohms?
Yes
>> Repair the (P365) Left Heated Seat Switch Sense circuit
for a short to ground.
Perform BODY VERIFICATION TEST – VER 1.
No
>> Replace the Cluster.
Perform BODY VERIFICATION TEST – VER 1.
8G - 36
HEATED SEATS - ELECTRICAL DIAGNOSTICS
WK
B10BC-RIGHT HEATED SEAT SWITCH INPUT CIRCUIT STUCK
WK
HEATED SEATS - ELECTRICAL DIAGNOSTICS
8G - 37
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