Page 609 of 4284

Symptom:
LEFT TURN SIGNAL INDICATOR OPEN (HIGHLINE)
When Monitored and Set Condition:
LEFT TURN SIGNAL INDICATOR OPEN (HIGHLINE)
When Monitored: With the ignition on.
Set Condition: The BCM detects an open in the Left Turn Indicator Driver.
POSSIBLE CAUSES
INTERMITTENT CONDITION
FUSED B+ CIRCUIT
MESSAGE CENTER OPERATION
LEFT TURN INDICATOR DRIVER SHORTED TO GROUND
LEFT TURN INDICATOR DRIVER OPEN
BCM
TEST ACTION APPLICABILITY
1 Turn the ignition on.
Monitor the Left Turn Signal Indicator.
Operate the Left Turn Signal.
Is the Indicator lamp operating correctly?All
Ye s®Go To 2
No®Go To 3
2WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?All
Ye s®Repair as necessary
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
580
INSTRUMENT CLUSTER
Page 611 of 4284

Symptom:
LEFT TURN SIGNAL INDICATOR OPEN (LOWLINE)
When Monitored and Set Condition:
LEFT TURN SIGNAL INDICATOR OPEN (LOWLINE)
When Monitored: With the ignition on.
Set Condition: The BCM detects an open in the Left Turn Indicator Driver.
POSSIBLE CAUSES
INTERMITTENT CONDITION
FUSED B+ CIRCUIT
INSTRUMENT CLUSTER OPERATION
LEFT TURN INDICATOR DRIVER SHORTED TO GROUND
LEFT TURN INDICATOR DRIVER OPEN
BCM
TEST ACTION APPLICABILITY
1 Turn the ignition on.
Monitor the Left Turn Signal Indicator.
Operate the Left Turn Signal.
Is the Indicator lamp operating correctly?All
Ye s®Go To 2
No®Go To 3
2WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?All
Ye s®Repair as necessary
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
582
INSTRUMENT CLUSTER
Page 613 of 4284

Symptom:
LEFT TURN SIGNAL INDICATOR SHORT (HIGHLINE)
When Monitored and Set Condition:
LEFT TURN SIGNAL INDICATOR SHORT (HIGHLINE)
When Monitored: With the ignition on.
Set Condition: The BCM detects a short to voltage in the Left Turn Indicator Driver.
POSSIBLE CAUSES
INTERMITTENT CONDITION
FUSED B+ CIRCUIT
MESSAGE CENTER OPERATION
LEFT TURN INDICATOR DRIVER SHORTED TO VOLTAGE
BCM
TEST ACTION APPLICABILITY
1 Turn the ignition on.
Monitor the Left Turn Signal Indicator.
Operate the Left Turn Signal.
Is the Indicator lamp operating correctly?All
Ye s®Go To 2
No®Go To 3
2WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?All
Ye s®Repair as necessary
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
584
INSTRUMENT CLUSTER
Page 615 of 4284

Symptom:
LEFT TURN SIGNAL INDICATOR SHORT (LOWLINE)
When Monitored and Set Condition:
LEFT TURN SIGNAL INDICATOR SHORT (LOWLINE)
When Monitored: With the ignition on.
Set Condition: The BCM detects a short to voltage in the Left Turn Indicator Driver.
POSSIBLE CAUSES
INTERMITTENT CONDITION
FUSED B+ CIRCUIT
INSTRUMENT CLUSTER OPERATION
LEFT TURN INDICATOR DRIVER SHORTED TO VOLTAGE
BCM
TEST ACTION APPLICABILITY
1 Turn the ignition on.
Monitor the Left Turn Signal Indicator.
Operate the Left Turn Signal.
Is the Indicator lamp operating correctly?All
Ye s®Go To 2
No®Go To 3
2WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?All
Ye s®Repair as necessary
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
586
INSTRUMENT CLUSTER
Page 628 of 4284

TEST ACTION APPLICABILITY
15 Turn the ignition off to the lock position.
Disconnect the Body Control Module harness connector.
Disconnect the Radio harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the Radio Dimming circuit.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Radio Dimming circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 16
16 If there are no possible causes remaining, view repair. All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
17 The conditions necessary to set this DTC are not present at this time.
Using the schematics as a guide, inspect the wiring and connectors specific to this
circuit.
Wiggle the wiring while checking for shorts and open circuits.
Were there any problems found?All
Ye s®Repair as necessary.
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
599
INSTRUMENT CLUSTER
PANEL DIMMING OUTPUT SHORT ÐContinued
Page 630 of 4284

TEST ACTION APPLICABILITY
4 Turn the ignition off to the lock position.
Disconnect the Body Control Module harness connector.
Disconnect the Headlamp Switch harness connector.
Note: Check connectors - Clean/repair as necessary.
Ignition on, engine not running.
Measure the voltage of the Rear Fog Lamp Indicator circuit in the Headlamp Switch
harness connector.
Is the voltage above 0.5 volt?All
Ye s®Repair the Rear Fog Lamp Indicator circuit for a short to voltage.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 5
5 If there are no possible causes remaining, view repair. All
Repair
Replace the Headlamp Switch.
Perform BODY VERIFICATION TEST - VER 1.
6 Turn the ignition off to the lock position.
Disconnect the Body Control Module harness connector.
Disconnect the Headlamp Switch harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance of the Rear Fog Lamp Indicator circuit from the Body Control
Module harness connector to the Headlamp Switch harness connector.
Is the resistance above 5.0 ohms?All
Ye s®Repair the Rear Fog Lamp Indicator circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 7
7 If there are no possible causes remaining, view repair. All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
8 The conditions necessary to set this DTC are not present at this time.
Using the schematics as a guide, inspect the wiring and connectors specific to this
circuit.
Wiggle the wiring while checking for shorts and open circuits.
Were there any problems found?All
Ye s®Repair as necessary.
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
601
INSTRUMENT CLUSTER
REAR FOG INDICATOR OUTPUT OPEN ÐContinued
Page 632 of 4284
TEST ACTION APPLICABILITY
6 The conditions necessary to set this DTC are not present at this time.
Using the schematics as a guide, inspect the wiring and connectors specific to this
circuit.
Wiggle the wiring while checking for shorts and open circuits.
Were there any problems found?All
Ye s®Repair as necessary.
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
603
INSTRUMENT CLUSTER
REAR FOG INDICATOR OUTPUT SHORT ÐContinued
Page 633 of 4284

Symptom:
RIGHT TURN SIGNAL INDICATOR OPEN (HIGHLINE)
When Monitored and Set Condition:
RIGHT TURN SIGNAL INDICATOR OPEN (HIGHLINE)
When Monitored: With the ignition on.
Set Condition: The BCM detects an open in the Right Turn Indicator Driver.
POSSIBLE CAUSES
INTERMITTENT CONDITION
FUSED B+ CIRCUIT
MESSAGE CENTER OPERATION
RIGHT TURN INDICATOR DRIVER SHORTED TO GROUND
RIGHT TURN INDICATOR DRIVER OPEN
BCM
TEST ACTION APPLICABILITY
1 Turn the ignition on.
Monitor the Right Turn Signal Indicator.
Operate the Right Turn Signal.
Is the Indicator lamp operating correctly?All
Ye s®Go To 2
No®Go To 3
2WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?All
Ye s®Repair as necessary
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
604
INSTRUMENT CLUSTER