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For the Heated Seat System circuit diagram (Refer to 8 - ELECTRICAL/HEATED SEATS - SCHEMATICS AND DIA- For a complete wiring diagram Refer to Section 8W. • When Monitored:Continously with the ignition on. • Set Condition:This code is set immediately when the Cluster detects excessive voltage on the heated Possible Causes (P81) DRIVER HEATED SEAT LO INDICATOR DRIVER CIRCUIT SHORTED TO BATTERY DRIVER HEATED SEAT SWITCH CLUSTER Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Diagnostic Test 1. VERIFY THAT DTC B1216-LEFT HEATED SEAT SWITCH LO With the scan tool, record and erase DTC’s Operate the Heated Seat Switch in both positions several times. With the scan tool, read DTC’s. Does the DTC B1216-LEFT HEATED SEAT LO INDICATOR CON- Yes >> Go To 2 No >> The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic Perform BODY VERIFICATION TEST – VER 1. 2. DISCONNECT THE DRIVER HEATED SEAT SWITCH AND Disconnect the Driver Heated Seat Switch connector. With the scan tool erase DTC’s Cycle the ignition switch off then back on. With the scan tool, read DTC’s. Does the DTC B1216-LEFT HEATED SEAT LO INDICATOR CON- Yes >> Go To 3 No >> Replace the Driver Heated Seat switch. Perform BODY VERIFICATION TEST – VER 1. HB HEATED SEATS - ELECTRICAL DIAGNOSTICS 8G - 75 B1216-LEFT HEATED SEAT LO INDICATOR CONTROL CIRCUIT HIGH — (CONTINUED) |