Diagnostic Test

WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

VERIFY THAT DTC B1216-LEFT HEATED SEAT SWITCH LO INDICATOR CONTROL CIRCUIT HIGH IS ACTIVE
1. With the scan tool, record and erase DTC's
2. Operate the Heated Seat Switch in both positions several times.
3. With the scan tool, read DTC's.
  Does the DTC B1216-LEFT HEATED SEAT LO INDICATOR CONTROL CIRCUIT HIGH reset?
  
  Yes
  - Go to step 2
  No
  - The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
  - Perform BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
DISCONNECT THE DRIVER HEATED SEAT SWITCH AND RE-READ DTC

Fig 1: Identifying Left Heated Seat Switch Connector
Courtesy of CHRYSLER LLC
1. Disconnect the Left Heated Seat Switch connector.
2. With the scan tool erase DTC's
3. Cycle the ignition switch off then back on.
4. With the scan tool, read DTC's.
  Does the DTC B1216-LEFT HEATED SEAT LO INDICATOR CONTROL CIRCUIT HIGH reset?
  
  Yes
  - Go to step 3
  No
  - Replace the Left Heated Seat switch.
  - Perform BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
DISCONNECT THE CLUSTER C3 CONNECTOR AND CHECK FOR VOLTAGE

Fig 2: Checking Left Heated Seat Low Indicator Driver Circuit For Short To Battery
Courtesy of CHRYSLER LLC
1. Disconnect the Cluster C3 connector.
  NOTE: Check connectors - Clean and repair as necessary.
2. Turn the ignition on.
3. Measure the voltage at the (P81) Left Heated Seat Low Indicator Driver circuit at the Cluster C3 connector.
  Is there any voltage present?
  
  Yes
  - Repair the (P81) Left Heated Seat Low Indicator Driver circuit for a short to battery.
  - Perform BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .
  No
  - Replace the Cluster in accordance with the Service Information.
  - Perform BODY VERIFICATION TEST. Refer to DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Standard Procedure .