B186D-TRUNK RELEASE SWITCH STUCK
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition on.
When the Cluster detects low voltage on the (P223) Decklid Release Switch Sense circuit for over 30 seconds.
| Possible Causes |
|---|
| (P223) DECKLID RELEASE SWITCH SENSE CIRCUIT SHORTED TO GROUND |
| DECKLID RELEASE SWITCH |
| CLUSTER |
Continuously
When the Driver Door Lock Switch Mux circuit is between 0.8 and 3.5 volts for over 10 seconds.
| Possible Causes |
|---|
| (P697) DRIVER DOOR LOCK SWITCH MUX CIRCUIT PARTIAL SHORT TO GROUND |
| DOOR LOCK SWITCH |
| INSTRUMENT CLUSTER |
Continuously
When the Passenger Door Lock Switch Mux circuit is between 0.8 and 3.5 volts for over 10 seconds.
| Possible Causes |
|---|
| (P696) PASSENGER DOOR LOCK SWITCH MUX CIRCUIT PARTIAL SHORT TO GROUND |
| POWER WINDOW/DOOR LOCK SWITCH |
| INSTRUMENT CLUSTER |
During heated seat operation.
This code is set immediately if the Heated Seat Module detects voltage under 10 volts on the (F937) Fused Ignition Switch Output (Run) circuit.
| Possible Causes |
|---|
| (F937) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT HIGH RESISTANCE |
| HEATED SEAT MODULE |
Scheme 135
- CHECK PCM FOR CHARGING SYSTEM DTC With the scan tool, read Powertrain Control Module DTCs. Are there any Charging System DTCs set in the PCM? Yes Refer to «DIAGNOSIS AND TESTING»(ref-485501-S30862194272012071300000) for Charging System diagnostic procedures . No Go To 2 .
- VERIFY THAT DTC B2181-HEATED SEAT MODULE POWER SUPPLY LOW IS ACTIVE With the scan tool, record and erase DTCs. Turn the ignition switch to the Off position then start the engine and operate the heated seats for one minute. With the scan tool, read DTCs. Does the DTC B2181-HEATED SEAT MODULE POWER SUPPLY LOW reset? Yes Go To 3 . 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 the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
- (F937) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT HIGH RESISTANCE Disconnect the Heated Seat Module connector. NOTE: Check connectors - Clean and repair as necessary. Start the engine and let idle. Using a 12-volt test light connected to ground, check the (F937) Fused Ignition Switch Output (Run) circuit at the HSM connector. NOTE: The test light must illuminate brightly. Compare the brightness to that of a direct connection to the battery. Does the test light illuminate brightly? Yes Replace the Heated Seat Module in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) . No Repair the (F937) Fused Ignition Switch Output (Run) circuit as necessary. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
During heated seat operation.
This code is set immediately if the Heated Seat Module detects voltage over 16.0 volts on the (F937) Fused Ignition Switch Output (Run) circuit.
| Possible Causes |
|---|
| TROUBLE CODE PRESENT |
| CHARGING SYSTEM HIGH |
With the ignition on.
The Cluster detects the Wiper Mode Switch function is inoperative.
| Possible Causes |
|---|
| RIGHT MULTIFUNCTION SWITCH |
Continuously with the ignition on.
The Cluster senses that the Horn Switch is pressed for greater than 45 seconds.
| Possible Causes |
|---|
| HORN SWITCH |
| RIGHT STEERING WHEEL SWITCH (SPEED CONTROL SWITCH) |
With the ignition on.
The Cluster detects the Flash to Pass function inoperative.
| Possible Causes |
|---|
| LEFT MULTIFUNCTION SWITCH |
Continuously with the ignition on.
The Cluster senses that the Washer Switch is in the Set position for greater than 50 seconds.
| Possible Causes |
|---|
| INTERMITTENT WASHER SWITCH INPUT CIRCUIT |
| RIGHT MULTIFUNCTION SWITCH |
| CLUSTER |
Continuously with the ignition on.
The Cluster senses that the Mist Switch is in the Set position for greater than 50 seconds.
| Possible Causes |
|---|
| INTERMITTENT MIST SWITCH INPUT CIRCUIT |
| RIGHT MULTIFUNCTION SWITCH |
| CLUSTER |
With the ignition on.
The Cluster detects the Flash to Pass function inoperative.
| Possible Causes |
|---|
| LEFT MULTIFUNCTION SWITCH |
With the ignition on.
The Cluster detects the TRAC/ESP Off Switch active for greater than 20 seconds.
| Possible Causes |
|---|
| SWITCH BANK |
Note. The Electronic Stability Control (ESC) may also be referred to as Electronic Stability Program (ESP) depending on the vehicle model year and configuration.
With the ignition on.
The Cluster detects that the Fuel Level Sensor input voltage is below the minimum acceptable value.
| Possible Causes |
|---|
| (N4) FUEL LEVEL SIGNAL 1 CIRCUIT SHORTED TO GROUND |
| FUEL PUMP MODULE |
| CLUSTER |
Scheme 136
- CHECK FOR AN ACTIVE DTC Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
- FUEL PUMP MODULE Turn the ignition off. Disconnect the Fuel Pump Module C1 harness connector. Turn the ignition on. Wait 30 seconds. With the scan tool, read DTCs Does the scan tool display this DTC as active? Yes Go To 3 . No Replace the Fuel Pump Module in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
- (N4) FUEL LEVEL SIGNAL 1 CIRCUIT SHORTED TO GROUND Turn the ignition off. Disconnect the Cluster C2 harness connector. Measure the resistance between ground and the (N4) Fuel Level Signal 1 circuit in the Fuel Pump Module C1 harness connector. Is the resistance below 10K Ohms? Yes Repair the short to ground in the (N4) Fuel Level Signal 1 circuit. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) . No Replace the Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
With the ignition on.
The Cluster detects that the Fuel Level Sensor input voltage is above the maximum acceptable value.
| Possible Causes |
|---|
| (N4) FUEL LEVEL SIGNAL 1 CIRCUIT SHORTED TO VOLTAGE |
| (N4) FUEL LEVEL SIGNAL 1 CIRCUIT OPEN OR HIGH RESISTANCE |
| (Z916) GROUND CIRCUIT OPEN OR HIGH RESISTANCE |
| FUEL PUMP MODULE |
| CLUSTER |
Scheme 137
Scheme 138
Scheme 139
- CHECK FOR AN ACTIVE DTC Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
- (N4) FUEL LEVEL SIGNAL 1 CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Fuel Pump Module C1 harness connector. Disconnect the Cluster C2 harness connector. Turn the ignition on. Measure the voltage of the (N4) Fuel Level Signal 1 circuit in the Fuel Pump Module harness connector. Is there any voltage present? Yes Repair the (N4) Fuel Level Signal 1 circuit for a short to voltage. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) . No Go To 3 .
- FUEL PUMP MODULE Turn the ignition off. Reconnect the Cluster C2 harness connector. Connect a jumper wire between the (N4) Fuel Level Signal 1 circuit and the (Z916) Ground in the Fuel Pump Module C1 harness connector. Turn the ignition on. With the scan tool, read DTCs Does the scan tool display this DTC as active? Yes Go To 4 . No Replace the Fuel Pump Module in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
- (N4) FUEL LEVEL SIGNAL 1 OPEN OR HIGH RESISTANCE Turn the ignition off. Disconnect the Cluster C2 harness connector. Measure the resistance of the (N4) Fuel Level Signal 1 circuit between the Fuel Pump Module C1 harness connector and the Cluster harness connector. Is the resistance above 5.0 Ohms? Yes Repair the (N4) Fuel Level Signal 1 circuit for an open circuit or high resistance. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) . No Go To 5 .
- (Z916) GROUND CIRCUIT OPEN OR HIGH RESISTANCE Measure the resistance between ground and the (Z916) Ground circuit in the Fuel Pump Module C1 harness connector. Is the resistance above 5.0 Ohms? Yes Repair the (Z916) Ground circuit for an open circuit or high resistance. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) . No Replace the Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
Continuously when the ignition is on.
The battery voltage between 10.0 and 16.0 Volts.
Ignition Off Draw (IOD) fuse installed.
Totally Integrated Power Module (TIPM) is configured correctly.
Bus messages not received from the Totally Integrated Power Module (TIPM) for approximately two to five seconds.
| Possible Causes |
|---|
| CAN BUS CIRCUITS OPEN OR SHORTED |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| TOTALLY INTEGRATED POWER MODULE POWER AND GROUND |
| TIPM NOT CONFIGURED CORRECTLY |
| TOTALLY INTEGRATED POWER MODULE (TIPM) |
| MODULE THAT SET THIS DTC |
Continuously when the ignition is on.
Battery voltage between 10 and 16 volts.
Ignition Off Draw (IOD) fuse installed.
Totally Integrated Power Module (TIPM) is configured correctly.
Bus messages not received from the Occupant Restraint Controller (ORC) for approximately two to five seconds.
| Possible Causes |
|---|
| CAN BUS CIRCUITS OPEN OR SHORTED |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| OCCUPANT RESTRAINT CONTROLLERS POWER AND GROUND |
| TIPM NOT CONFIGURED CORRECTLY |
| OCCUPANT RESTRAINT CONTROLLER |
| MODULE THAT SET THIS DTC |
With the ignition on.
The Cluster does not receive information from the Compass Module.
| Possible Causes |
|---|
| (D506) LIN BUS CIRCUIT OPEN |
| (F929) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT OPEN |
| (Z910) GROUND CIRCUIT OPEN |
| COMPASS MODULE |
| CLUSTER |
Scheme 140
Scheme 141
Scheme 142
- CHECK FOR AN ACTIVE DIAGNOSTIC TROUBLE CODE (DTC) Turn the ignition on. With the scan tool, record and erase DTCs. Wait 30 seconds. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chaffed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
- (D506) LIN BUS CIRCUIT OPEN Turn the ignition off. Disconnect the Compass Module harness connector. Turn the ignition on. Measure the voltage of the (D506) LIN BUS circuit. Is the voltage above 5 volts? Yes Go To 4 . No Go To 3 .
- (D506) LIN BUS CIRCUIT OPEN Turn the ignition off. Disconnect the Cluster C3 harness connector. Measure the resistance of the (D506) LIN BUS circuit. Is the resistance below 10K Ohms? Yes Replace the Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) . No Repair the (D506) LIN BUS circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
- (F929) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT OPEN Measure the voltage of the (F929) Fused Ignition Switch Output (RUN) circuit. Is the voltage above 10 volts? Yes Go To 5 . No Repair the (F929) Fused Ignition Switch Output (RUN) circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
- (Z910) GROUND CIRCUIT OPEN Measure the resistance between ground and the (Z910) Ground circuit. Is the resistance below 10, 000.0 Ohms? Yes Replace the Compass Module in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) . No Repair the (Z910) ground circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
Continuously when the ignition is on.
Battery voltage between 10 and 16 volts.
Ignition Off Draw (IOD) fused installed.
Totally Integrated Power Module (TIPM) is configured correctly.
Bus messages not received from the HVAC Control Module for approximately two to five seconds.
| Possible Causes |
|---|
| CAN BUS CIRCUITS OPEN OR SHORTED |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| HVAC CONTROL MODULE POWER AND GROUND |
| TIPM NOT CONFIGURED CORRECTLY |
| HVAC CONTROL MODULE |
| MODULE THAT SET THIS DTC |
Continuously when the ignition is on.
Battery voltage between 10 and 16 volts.
Ignition Off Draw (IOD) fused installed.
Totally Integrated Power Module (TIPM) is configured correctly.
Bus messages not received from the Intrusion Transceiver Control Module for approximately two to five seconds.
| Possible Causes |
|---|
| CAN BUS CIRCUITS OPEN OR SHORTED |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| INTRUSION TRANSCEIVER CONTROL MODULE POWER AND GROUND |
| TIPM NOT CONFIGURED CORRECTLY |
| INTRUSION TRANSCEIVER CONTROL MODULE |
| MODULE THAT SET THIS DTC |
With the ignition on.
Battery voltage between 10 and 16 volts.
Ignition Off Draw (IOD) fuse installed.
Totally Integrated Power Module (TIPM) is configured correctly.
Bus messages not received from the Wireless Ignition Node (WIN) for approximately two to five seconds.
| Possible Causes |
|---|
| CAN BUS CIRCUITS OPEN OR SHORTED |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| WIRELESS IGNITION NODE POWER AND GROUND |
| TIPM NOT CONFIGURED CORRECTLY |
| WIRELESS IGNITION NODE (WIN) |
| MODULE THAT SET THIS DTC |
Continuously when the ignition is on.
Battery voltage between 10 and 16 volts.
Ignition Off Draw (IOD) fused installed.
Totally Integrated Power Module (TIPM) is configured correctly.
Bus messages not received from the Radio for approximately two to five seconds.
| Possible Causes |
|---|
| CAN BUS CIRCUITS OPEN OR SHORTED |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| RADIO POWER AND GROUND |
| TIPM NOT CONFIGURED CORRECTLY |
| RADIO |
| MODULE THAT SET THIS DTC |
Continuously when the ignition is on.
The battery voltage is between 10 and 16 volts.
Ignition Off Draw (IOD) fused installed.
Totally Integrated Power Module (TIPM) is configured correctly.
Bus messages not received from the Audio Amplifier for approximately two to five seconds.
| Possible Causes |
|---|
| CAN BUS CIRCUITS OPEN OR SHORTED |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| AMPLIFIER POWER AND GROUND |
| TIPM NOT CONFIGURED CORRECTLY |
| AMPLIFIER |
| MODULE THAT SET THIS DTC |
Continuously when the ignition is on.
Battery voltage between 10 and 16 volts.
Ignition Off Draw (IOD) fuse installed.
Totally Integrated Power Module (TIPM) is configured correctly.
Bus messages not received from the Driver Door Module (DDM) for approximately two to five seconds.
| Possible Causes |
|---|
| CAN BUS CIRCUITS OPEN OR SHORTED |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| DRIVER DOOR MODULE POWER AND GROUND |
| TIPM NOT CONFIGURED CORRECTLY |
| DRIVER DOOR MODULE |
| MODULE THAT SET THIS DTC |
Continuously when the ignition is on.
Battery voltage between 10 and 16 volts.
Ignition Off Draw (IOD) fused installed.
Totally Integrated Power Module (TIPM) is configured correctly.
Bus messages not received from the Passenger Door Module (PDM) for approximately two to five seconds.
| Possible Causes |
|---|
| CAN BUS CIRCUITS OPEN OR SHORTED |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| PASSENGER DOOR MODULE POWER AND GROUND |
| TIPM NOT CONFIGURED CORRECTLY |
| PASSENGER DOOR MODULE |
| MODULE THAT SET THIS DTC |
With the ignition on.
The Cluster does not receive information from the Heated Seats Control Module.
| Possible Causes |
|---|
| (D506) LIN BUS CIRCUIT OPEN |
| (F937) FUSED IGNITION SWITCH OUTPUT (RUN) OPEN |
| (Z914) GROUND CIRCUIT OPEN |
| HEATED SEATS MODULE |
Scheme 143
Scheme 144
Scheme 145
- CHECK FOR AN ACTIVE DTC Turn the ignition on. With the scan tool, record and erase DTCs. Wait 30 seconds. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
- (D506) LIN BUS CIRCUIT OPEN Turn the ignition off. Disconnect the Heated Seats Module harness connector. Turn the ignition on. Measure the voltage of the (D506) LIN BUS circuit. Is the voltage above 5 volts? Yes Go To 3 . No Repair the (D506) LIN BUS circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
- (F937) FUSED IGNITION SWITCH OUTPUT (RUN) OPEN Measure the voltage of the (F937) Fused Ignition Switch Output (RUN) circuit. Is the voltage above 10 volts? Yes Go To 4 . No Repair the (F937) Fused Ignition Switch Output (RUN) circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
- (Z914) GROUND CIRCUIT OPEN Measure the resistance between ground and the (Z914) Ground circuit. Is the resistance below 10K Ohms? Yes Replace the Heated Seats Module in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) . No Repair the (Z914) ground circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
Scheme 146
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition on.
LIN 1 Bus circuit open or shorted to ground.
| Possible Causes |
|---|
| (D506) LIN BUS CIRCUIT OPEN |
| (D506) LIN BUS CIRCUIT SHORTED TO GROUND |
| SHORTED LIN BUS COMPONENT |
| CLUSTER |
Scheme 147
Scheme 148
- CHECK FOR AN ACTIVE DTC Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
- SHORTED LIN BUS COMPONENT NOTE: After disconnecting each component, check DTCs with the scan tool. Turn the ignition on. Disconnect the Switch Bank harness connector. Disconnect the Remote Compass Module harness connector. Disconnect the Heated Seat Module harness connector. Disconnect the Left Multifunction Switch harness connector. Disconnect the Clockspring C2 harness connector. With each component disconnected, did the DTC U1008-LIN 1 BUS change from active to stored? Yes Replace the component that caused the DTC: U1008-LIN 1 BUS change from active to stored. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) . No Go To 3 .
- (D506) LIN BUS CIRCUIT OPEN Turn the ignition off. Disconnect the Cluster C3 harness connector. Disconnect the Switch Bank harness connector. Measure the resistance of the (D506) LIN Bus circuit. Is the resistance above 10K Ohms? Yes Repair the (D506) LIN Bus circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) . No Go To 4 .
- (D506) LIN BUS CIRCUIT SHORTED TO GROUND Turn the ignition off. Measure the resistance to ground on the (D506) LIN Bus circuit. Is the resistance below 10K Ohms? Yes Repair the (D506) LIN Bus circuit for a short to ground. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) . No Replace the Cluster in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
Scheme 149
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition on.
The Cluster does not receive information from the Right Steering Wheel Switch (Speed Control Switch).
| Possible Causes |
|---|
| (D506) LIN BUS CIRCUIT OPEN |
| (A952) FUSED B (+) CIRCUIT OPEN |
| (Z910) GROUND CIRCUIT OPEN |
| RIGHT STEERING WHEEL SWITCH (SPEED CONTROL SWITCH) |
| CLOCKSPRING |
Scheme 150
Scheme 151
Scheme 152
Scheme 153
Scheme 154
Scheme 155
Scheme 156
Scheme 157
Scheme 158
- CHECK FOR AN ACTIVE DIAGNOSTIC TROUBLE CODE (DTC) NOTE: Before proceeding with this diagnostic procedure, verify the Left and Right Multifunction Switch and Clockspring harness connectors are properly seated and verify proper pin terminal tension. A loose connection at any of these connectors may cause this DTC to set. Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
- CHECK THE VOLTAGE OF (D506) LIN BUS CIRCUIT AT THE RIGHT STEERING WHEEL SWITCH (SPEED CONTROL SWITCH) Turn the ignition off. Disconnect the Right Steering Wheel Switch (Speed Control Switch) harness connector. Turn the ignition on. Measure the voltage of the (D506) LIN Bus circuit. Is the voltage above 5.0 volts? Yes Go To 5 . No Go To 3 .
- (D506) LIN BUS CIRCUIT OPEN BETWEEN THE RIGHT STEERING WHEEL SWITCH (SPEED CONTROL SWITCH) AND CLOCKSPRING Turn the ignition off. Disconnect the Clockspring C8 harness connector. Measure the resistance of the (D506) LIN Bus circuit between the Right Steering Wheel Switch (Speed Control Switch) and Clockspring C8 harness connectors. Is the resistance below 5.0 Ohms? Yes Go To 4 . No Repair the open in the (D506) LIN Bus circuit. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
- CHECK THE VOLTAGE OF (D506) LIN BUS CIRCUIT AT THE CLOCKSPRING Disconnect the Clockspring C2 harness connector. Turn the ignition on. Measure the voltage of the (D506) LIN Bus circuit at the Clockspring C2 harness connector. Is the voltage above 5.0 volts? Yes Replace the Clockspring in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) . No Repair the open in the (D506) LIN Bus circuit. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
- CHECK THE VOLTAGE OF (A952) FUSED B (+) CIRCUIT AT THE RIGHT STEERING WHEEL SWITCH (SPEED CONTROL SWITCH) Measure the voltage of the (A952) Fused B (+) circuit at the Right Steering Wheel Switch (Speed Control Switch) harness connector. Is the voltage above 10.0 volts? Yes Go To 8 . No Go To 6 .
- (A952) FUSED B (+) CIRCUIT OPEN BETWEEN THE RIGHT STEERING WHEEL SWITCH (SPEED CONTROL SWITCH) AND CLOCKSPRING Turn the ignition off. Disconnect the Clockspring C8 harness connector. Measure the resistance of the (A952) Fused B (+) circuit between the Right Steering Wheel Switch (Speed Control Switch) and Clockspring C8 harness connectors. Is the resistance below 5.0 Ohms? Yes Go To 7 . No Repair the open in the (A952) Fused B (+) circuit. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
- (A952) FUSED B (+) CIRCUIT OPEN BETWEEN THE CLOCKSPRING AND TOTALLY INTEGRATED POWER MODULE Turn the ignition off. Disconnect the Clockspring C2 harness connector. Turn the ignition on. Measure the voltage of the (A952) Fused B (+) circuit at the Clockspring C2 harness connectors. Is the voltage above 10.0 volts? Yes Replace the Clockspring in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) . No Repair the open in the (A952) Fused B (+) circuit. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
- CHECK THE (Z910) GROUND CIRCUIT AT THE RIGHT STEERING WHEEL SWITCH (SPEED CONTROL SWITCH) Turn the ignition off. Measure the resistance between ground and the (Z910) Ground circuit at the Right Steering Wheel Switch (Speed Control Switch) harness connector. Is the resistance below 5.0 Ohms? Yes Replace the Right Steering Wheel Switch (Speed Control Switch) in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) . No Go To 9 .
- (Z910) GROUND CIRCUIT OPEN BETWEEN THE RIGHT STEERING WHEEL SWITCH (SPEED CONTROL SWITCH) AND CLOCKSPRING Disconnect the Clockspring C8 harness connector. Measure the resistance of the (Z910) Ground circuit between the Right Steering Wheel Switch (Speed Control Switch) and Clockspring C8 harness connectors. Is the resistance below 5.0 Ohms? Yes Go To 10 . No Repair the open in the (Z910) Ground circuit. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
- (Z910) GROUND CIRCUIT OPEN BETWEEN THE CLOCKSPRING AND GROUND Disconnect the Clockspring C2 harness connector. Measure the resistance between ground and the (Z910) Ground circuit at the Clockspring C2 harness connector. Is the resistance below 5.0 Ohms? Yes Replace the Clockspring in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) . No Repair the open in the (Z910) Ground circuit. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
Scheme 159
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition on.
The Cluster does not receive information from the Switch Bank Module.
| Possible Causes |
|---|
| (D506) LIN BUS CIRCUIT OPEN |
| (A935) FUSED B+ CIRCUIT OPEN |
| (Z940) GROUND CIRCUIT OPEN |
| SWITCH BANK |
Scheme 160
Scheme 161
Scheme 162
- CHECK FOR AN ACTIVE DTC Turn the ignition on. With the scan tool, record and erase DTCs. Wait 30 seconds. With the scan tool, read DTCs. Does the scan tool display: U113B-LOST COMMUNICATION WITH SWITCH BANK MODULE? Yes Go To 2 . No The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
- (D506) LIN BUS CIRCUIT OPEN Turn the ignition off. Disconnect the Switch Bank harness connector. Turn the ignition on. Measure the voltage of the (D506) LIN BUS circuit. Is the voltage above 5 volts? Yes Go To 3 . No Repair the (D506) LIN BUS circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
- (A935) FUSED B+ CIRCUIT OPEN Measure the voltage of the (A935) Fused B+ circuit. Is the voltage above 10 volts? Yes Go To 4 . No Repair the (A935) Fused B+ circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
- (Z912) GROUND CIRCUIT OPEN Measure the resistance between ground and the (Z912) Ground circuit. Is the resistance below 10K Ohms? Yes Replace the Switch Bank in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) . No Repair the (Z912) ground circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
Scheme 163
For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article .
With the ignition on.
The Cluster does not receive any LIN Bus messages from the Left Multifunction Switch.
| Possible Causes |
|---|
| (D506) LIN BUS CIRCUIT OPEN |
| (F202) FUSED IGNITION SWITCH OUTPUT (RUN/START) CIRCUIT OPEN |
| (A411) FUSED B+ (I.O.D.) CIRCUIT OPEN |
| (Z910) GROUND CIRCUIT OPEN |
| LEFT MULTIFUNCTION SWITCH |
Scheme 164
Scheme 165
Scheme 166
Scheme 167
- CHECK FOR AN ACTIVE DIAGNOSTIC TROUBLE CODE (DTC) NOTE: Before proceeding with this diagnostic procedure, verify the Left and Right Multifunction Switch and Clockspring harness connectors are properly seated and verify proper pin terminal tension. A loose connection at any of these connectors may cause this DTC to set. Turn the ignition on. With the scan tool, read DTCs. Does the scan tool display this DTC as active? Yes Go To 2 . No Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
- (D506) LIN BUS CIRCUIT OPEN Turn the ignition off. Disconnect the Left Multifunction Switch C1 harness connector. Turn the ignition on. Measure the voltage of the (D506) LIN BUS circuit. Is the voltage above 5 volts? Yes Go To 3 . No Repair the (D506) LIN BUS circuit for an open Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
- (F202) FUSED IGNITION SWITCH OUTPUT (RUN/START) CIRCUIT OPEN Measure the voltage of the (F202) Fused Ignition Switch Output (RUN/START) circuit. Is the voltage above 10 volts? Yes Go To 4 . No Repair the (F202) Fused Ignition Switch Output (RUN/START) circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
- (A411) FUSED B+ (I.O.D.) CIRCUIT OPEN Measure the voltage of the (A411) Fused B+ (I.O.D.) circuit. Is the voltage above 10 volts? Yes Go To 5 . No Repair the (A411) Fused B+ (I.O.D.) circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .
- (Z910) GROUND CIRCUIT OPEN Measure the resistance between ground and the (Z910) Ground circuit. Is the resistance below 10K Ohms? Yes Replace the Left Multifunction Switch in accordance with the Service Information. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) . No Repair the (Z910) ground circuit for an open. Perform the BODY VERIFICATION TEST. Refer to «BODY VERIFICATION TEST»(ref-485529-S24369246162012071300000) .