B120E
B120E-LEFT HEATED SEAT HI INDICATOR CONTROL CIRCUIT HIGHB120E - Left Heated Seat Hi Indicator Control Circuit High:
WHEN MONITORED
Continuously with the ignition on.
SET CONDITION
This code is set immediately when the Cluster detects excessive voltage on the heated seat indicator control circuit.
POSSIBLE CAUSES
- (P83) Driver heated seat high indicator driver circuit shorted to battery
- Driver heated seat switch
- Cluster
Diagnostic Test
1. VERIFY THAT DTC B120E-LEFT HEATED SEAT SWITCH HI INDICATOR CONTROL CIRCUIT HIGH 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.
Q: Does the DTC B120E-LEFT HEATED SEAT HI INDICATOR CONTROL CIRCUIT HIGH reset?
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, inspect the wiring and connectors. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
2. DISCONNECT THE DRIVER HEATED SEAT SWITCH AND RE-READ DTC
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.
Q: Does the DTC B120E-LEFT HEATED SEAT HI INDICATOR CONTROL CIRCUIT HIGH reset?
YES: Go To 3
NO: Replace the Driver Heated Seat switch. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
3. DISCONNECT THE CLUSTER C-3 CONNECTOR AND CHECK FOR VOLTAGE
Disconnect the Cluster C-3 connector.
NOTE: Check connectors - Clean and repair as necessary.
Turn the ignition on.
Measure the voltage at the (P83) Driver Heated Seat High Indicator Driver circuit at the Cluster C-3 connector.
Q: Is there any voltage present?
YES: Repair the (P83) Driver Heated Seat High Indicator Driver circuit for a short to battery. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Replace the Cluster. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test