B1215
B1215-LEFT HEATED SEAT LO INDICATOR CONTROL CIRCUIT LOWB1215 - Left Heated Seat Lo Indicator Control Circuit Low:
WHEN MONITORED
Continuously with the ignition on.
SET MONITORED
This code is set immediately when the Cluster detects low voltage on the heated seat indicator control circuit.
POSSIBLE CAUSES
- Junction block fuse #2
- (F21) Fused ignition switch output circuit open
- (P81) Driver heated seat low indicator driver circuit open/shorted to ground
- Driver heated seat switch
- Cluster
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.
Diagnostic Test
1. VERIFY THAT DTC B1215-LEFT HEATED SEAT LO INDICATOR CONTROL CIRCUIT LOW 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 B1215-LEFT HEATED SEAT LO INDICATOR CONTROL CIRCUIT LOW 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. INSPECT JUNCTION BLOCK FUSE #2
Check Junction Block fuse #2.
Q: Is the fuse open?
YES: Check for a possible short to ground on the (F21) Fused Ignition Switch Output Circuit and replace the fuse as necessary Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Go To 3
3. DISCONNECT THE CLUSTER C-3 CONNECTOR AND CHECK FOR VOLTAGE
Reinstall fuse if removed in previous test.
Disconnect the Cluster C-3 connector.
NOTE: Check connectors - Clean and repair as necessary.
Turn the ignition on.
Measure the voltage at the (P81) Driver Heated Seat Low Indicator Driver circuit at the Cluster C-3 connector.
Q: Is the voltage above 10.0 volts?
YES: Replace the Cluster. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Go To 4
4. CHECK THE (F21) FUSED IGNITION SWITCH OUTPUT (RUN-START)
Disconnect the Driver Heated Seat switch connector.
NOTE: Check connectors - Clean and repair as necessary.
Turn the ignition on.
Measure the voltage of the (F21) Fused Ignition Switch Output circuit at the Driver Heated Seat Switch connector.
Q: Is the voltage above 10.0 volts?
YES: Go To 5
NO: Repair the (F21) Fused Ignition Switch Output circuit for an open. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
5. CHECK THE (P81) DRIVER HEATED SEAT LO INDICATOR DRIVER CIRCUIT FOR A SHORT TO GROUND
Measure the resistance between ground and the (P81) Driver Heated Seat Lo Indicator Driver circuit.
Q: Was the resistance below 5.0 ohms?
YES: Repair the (P81) Driver Heated Seat Lo Indicator Driver circuit for a short to ground Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Go To 6
6. CHECK THE (P81) DRIVER HEATED SEAT LO INDICATOR DRIVER CIRCUIT FOR AN OPEN
Measure the resistance of the (P81) Driver Heated Seat Lo Indicator Driver circuit between the Cluster C-3 connector and the Driver Heated Seat Switch connector.
Q: Is the resistance below 5.0 ohms?
YES:Replace the Driver Heated Seat Switch. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Repair the (P81) Driver Heated Seat Lo Indicator Driver circuit for an open. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test