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• When Monitored:Continously with the ignition on. • Set Condition:This code is set immediately when the Cluster detects low voltage on the heated seat indicator Possible Causes PDC FUSE #8 PDC FUSE #40 (F23) FUSED IGNITION SWITCH OUTPUT (RUN-START) CIRCUIT OPEN (P83) LEFT HEATED SEAT HIGH INDICATOR DRIVER CIRCUIT OPEN/SHORTED TO GROUND LEFT HEATED SEAT SWITCH CLUSTER Diagnostic Test 1. VERIFY THAT DTC B120F-LEFT HEATED SEAT HI INDICATOR CONTROL CIRCUIT OPEN IS ACTIVE 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 B120F-LEFT HEATED SEAT HI 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 as a guide, Perform BODY VERIFICATION TEST – VER 1. (Refer to 2. INSPECT PDC FUSES Check PDC fuses #8 and #40. Is either fuse open? Yes >> Check for a possible short to ground on the (F23) Fused Ignition Switch Output (Run-Start) Circuit and replace the fuse as necessary. Perform BODY VERIFICATION TEST – VER 1. (Refer to BODY VERIFICATION TEST – VER 1). No >> Go To 3 8G - 38 HEATED SEATS - ELECTRICAL DIAGNOSTICS LX |