- When Monitored: With the ignition on.
- Set Condition: The Hands Free Module detects a fault in any of the microphone circuits.
| Possible Causes |
|---|
| (X712) MICROPHONE 1 IN (+) CIRCUIT SHORTED TO GROUND |
| INSIDE REARVIEW MIRROR |
| HANDS FREE MODULE |
- CHECK FOR ACTIVE DTC With the scan tool, read the active DTC's. Cycle the ignition switch from off to on at least 5 times, leaving the ignition on for a minimum of 90 seconds per cycle. Attempt to make a phone call with the system. With the scan tool, read the active DTC's. Does the scan tool display this DTC as active? Yes Go To 2 . No If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
- INSIDE REARVIEW MIRROR Turn the ignition off. Disconnect the Inside Rearview Mirror harness connector. Turn the ignition on. With the scan tool, read the DTC's. Does the scan tool display this DTC as active? Yes Go To 3 . No Replace the Inside Rearview Mirror in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) .
- (X712) MICROPHONE 1 IN (+) CIRCUIT SHORTED TO GROUND Turn the ignition off. Disconnect the Hands Free Module harness connector. Measure the resistance between ground and the (X712) Microphone 1 circuit. Is the resistance below 10K ohms? Yes Repair the (X712) Microphone 1 circuit for short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) . No Replace the Hands Free Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) .
- When Monitored: With the ignition on.
- Set Condition: The Radio detects a fault in any of the microphone circuits.
| Possible Causes |
|---|
| (X712) MICROPHONE 1 IN (+) CIRCUIT SHORTED TO GROUND |
| INSIDE REARVIEW MIRROR |
| RADIO |
- CHECK FOR ACTIVE DTC With the scan tool, read the active DTC's. Cycle the ignition switch from off to on at least 5 times, leaving the ignition on for a minimum of 90 seconds per cycle. Attempt to make a phone call with the system. With the scan tool, read the active DTC's. Does the scan tool display this DTC as active? Yes Go To 2 . No If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
- INSIDE REARVIEW MIRROR Turn the ignition off. Disconnect the Inside Rearview Mirror harness connector. Turn the ignition on. With the scan tool, read the DTC's. Does the scan tool display this DTC as active? Yes Go To 3 . No Replace the Inside Rearview Mirror in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) .
- (X712) MICROPHONE 1 IN (+) CIRCUIT SHORTED TO GROUND Turn the ignition off. Disconnect the Radio C2 harness connector. Measure the resistance between ground and the (X712) Microphone 1 circuit. Is the resistance below 10K ohms? Yes Repair the (X712) Microphone 1 circuit for short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) . No Replace the Radio in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) .
- When Monitored: With the ignition on.
- Set Condition: The Hands Free Module detects a fault in any of the microphone circuits.
| Possible Causes |
|---|
| (X712) MICROPHONE 1 IN (+) CIRCUIT OPEN |
| (X712) MICROPHONE 1 IN (+) CIRCUITS SHORTED TO VOLTAGE |
| INSIDE REARVIEW MIRROR |
| HANDS FREE MODULE |
- CHECK FOR ACTIVE DTC With the scan tool, read the active DTC's. Cycle the ignition switch from off to on. Attempt to make a phone call with the system. With the scan tool, read the active DTC's. Does the scan tool display this DTC as active? Yes Go To 2 . No If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
- INSIDE REARVIEW MIRROR Turn the ignition off. Disconnect the Rearview Mirror harness connector. Turn the ignition on. With the scan tool, read the active DTC's. Does the scan tool display this DTC as active? Yes Go To 3 . No Replace the Rearview Mirror in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) .
- (X712) MICROPHONE 1 IN (+) CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Hands Free Module harness connector. Turn the ignition on. Measure the voltage of the (X712) Microphone 1 IN (+) circuit. Is voltage present? Yes Repair the (X712) Microphone 1 IN (+) circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) . No Go To 4 .
- (X712) MICROPHONE 1IN (+) CIRCUIT OPEN Turn the ignition off. Measure the resistance of the (X712) Microphone 1IN (+) circuit between the HFM connector and the inside rearview mirror connector. Is the resistance below 5.0 ohms? Yes Replace the Hands Free Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) . No Repair the (X712) Microphone 1 IN (+) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) .
- When Monitored: With the ignition on.
- Set Condition: The Radio detects a fault in any of the microphone circuits.
| Possible Causes |
|---|
| (X712) MICROPHONE 1 IN (+) CIRCUIT OPEN |
| (X712) MICROPHONE 1 IN (+) CIRCUITS SHORTED TO VOLTAGE |
| INSIDE REARVIEW MIRROR |
| RADIO |
- CHECK FOR ACTIVE DTC With the scan tool, read the active DTC's. Cycle the ignition switch from off to on. Attempt to make a phone call with the system. With the scan tool, read the active DTC's. Does the scan tool display this DTC as active? Yes Go To 2 . No If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
- INSIDE REARVIEW MIRROR Turn the ignition off. Disconnect the Rearview Mirror harness connector. Turn the ignition on. With the scan tool, read the active DTC's. Does the scan tool display this DTC as active? Yes Go To 3 . No Replace the Rearview Mirror in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) .
- (X712) MICROPHONE 1 IN (+) CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Radio C2 harness connector. Turn the ignition on. Measure the voltage of the (X712) Microphone 1 IN (+) circuit. Is the voltage above 1.0 volt? Yes Repair the (X712) Microphone 1 IN (+) circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) . No Go To 4 .
- (X712) MICROPHONE 1 IN (+) CIRCUIT OPEN Turn the ignition off. Measure the resistance of the (X712) Microphone 1 IN (+) circuit between the Radio C2 connector and the inside Rearview Mirror connector. Is the resistance below 5.0 ohms? Yes Replace the Radio in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) . No Repair the (X712) Microphone 1 IN (+) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) .
- When Monitored: With the ignition on.
- Set Condition: The Hands Free Module detects a fault in any of the microphone circuits.
| Possible Causes |
|---|
| (X722) MICROPHONE 2 IN (+) CIRCUIT SHORTED TO GROUND |
| INSIDE REARVIEW MIRROR |
| HANDS FREE MODULE |
- CHECK FOR ACTIVE DTC With the scan tool, read the active DTC's. Cycle the ignition switch from off to on. Attempt to make a phone call with the system. With the scan tool, read the active DTC's. Does the scan tool display this DTC as active? Yes Go To 2 . No If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
- INSIDE REARVIEW MIRROR Turn the ignition off. Disconnect the Inside Rearview Mirror C2 harness connector. Turn the ignition on. With the scan tool, read the DTC's. Does the scan tool display this DTC as active? Yes Go To 3 . No Replace the Inside Rearview Mirror in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) .
- (X722) MICROPHONE 2 IN (+) CIRCUIT SHORTED TO GROUND Turn the ignition off. Disconnect the Hands Free Module harness connector. Measure the resistance between ground and the (X722) Microphone 2 circuit. Is the resistance below 10K ohms? Yes Repair the (X722) Microphone 2 circuit for short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) . No Replace the Hands Free Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) .
- When Monitored: With the ignition on.
- Set Condition: The Radio detects a fault in any of the microphone circuits.
| Possible Causes |
|---|
| (X722) MICROPHONE 2 IN (+) CIRCUIT SHORTED TO GROUND |
| INSIDE REARVIEW MIRROR |
| RADIO |
- CHECK FOR ACTIVE DTC With the scan tool, read the active DTC's. Cycle the ignition switch from off to on. Attempt to make a phone call with the system. With the scan tool, read the active DTC's. Does the scan tool display this DTC as active? Yes Go To 2 . No If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
- INSIDE REARVIEW MIRROR Turn the ignition off. Disconnect the Inside Rearview Mirror harness connector. Turn the ignition on. With the scan tool, read the DTC's. Does the scan tool display this DTC as active? Yes Go To 3 . No Replace the Inside Rearview Mirror in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) .
- (X722) MICROPHONE 2 IN (+) CIRCUIT SHORTED TO GROUND Turn the ignition off. Disconnect the Radio C2 harness connector. Measure the resistance between ground and the (X722) Microphone 2 IN (+) circuit. Is the resistance below 10K ohms? Yes Repair the (X722) Microphone 2 IN (+) circuit for short to ground. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) . No Replace the Radio in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) .
- When Monitored: With the ignition on.
- Set Condition: The Hands Free Module detects a fault in any of the microphone circuits.
| Possible Causes |
|---|
| (X722) MICROPHONE 2 IN (+) CIRCUIT OPEN |
| (X722) MICROPHONE 2 IN (+) CIRCUITS SHORTED TO VOLTAGE |
| INSIDE REARVIEW MIRROR |
| HANDS FREE MODULE |
- CHECK FOR ACTIVE DTC With the scan tool, read the active DTC's. Cycle the ignition switch from off to on. Attempt to make a phone call with the system. With the scan tool, read the active DTC's. Does the scan tool display this DTC as active? Yes Go To 2 . No If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
- INSIDE REARVIEW MIRROR Turn the ignition off. Disconnect the Rearview Mirror harness connector. Turn the ignition on. With the scan tool, read the active DTC's. Does the scan tool display this DTC as active? Yes Go To 3 . No Replace the Rearview Mirror in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) .
- (X722) MICROPHONE IN 2 (+) CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Hands Free Module harness connector. Turn the ignition on. Measure the voltage of the (X722) Microphone IN 2 (+) circuit. Is voltage present? Yes Repair the (X722) Microphone IN 2 (+) circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) . No Go To 4 .
- (X722) MICROPHONE 2 IN (+) CIRCUIT OPEN Turn the ignition off. Measure the resistance of the (X722) Microphone 2 IN (+) circuit between the HFM connector and the inside rearview mirror connector. Is the resistance below 5.0 ohms? Yes Replace the Hands Free Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) . No Repair the (X722) Microphone 2 IN (+) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) .
- When Monitored: With the ignition on.
- Set Condition: The Hands Free Module detects a fault in any of the microphone circuits.
| Possible Causes |
|---|
| (X722) MICROPHONE 2 IN (+) CIRCUIT OPEN |
| (X722) MICROPHONE 2 IN (+) CIRCUITS SHORTED TO VOLTAGE |
| INSIDE REARVIEW MIRROR |
| RADIO |
- CHECK FOR ACTIVE DTC With the scan tool, read the active DTC's. Cycle the ignition switch from off to on at least 5 times, leaving the ignition on for a minimum of 90 seconds per cycle. Attempt to make a phone call with the system. With the scan tool, read the active DTC's. Does the scan tool display this DTC as active? Yes Go To 2 . No If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
- INSIDE REARVIEW MIRROR Turn the ignition off. Disconnect the Rearview Mirror harness connector. Turn the ignition on. With the scan tool, read the active DTC's. Does the scan tool display this DTC as active? Yes Go To 3 . No Replace the Rearview Mirror in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) .
- (X722) MICROPHONE 2 IN (+) CIRCUIT SHORTED TO VOLTAGE Turn the ignition off. Disconnect the Radio C2 harness connector. Turn the ignition on. Measure the voltage of the (X722) Microphone 2 IN (+) circuit. Is the voltage above 1.0 volt? Yes Repair the (X722) Microphone 2 IN (+) circuit for a short to voltage. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) . No Go To 4 .
- (X722) MICROPHONE 2 IN (+) CIRCUIT OPEN Turn the ignition off. Measure the resistance of the (X722) Microphone 2 IN (+) circuit between the Radio C2 connector and the inside rearview mirror connector. Is the resistance below 5.0 ohms? Yes Replace the Radio in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) . No Repair the (X722) Microphone 2 IN (+) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) .
- When Monitored: With the ignition on.
- Set Condition: Rearview Mirror microphone fault.
| Possible Causes |
|---|
| INSIDE REARVIEW MIRROR |
- When Monitored: With the ignition on.
- Set Condition: The Hands Free Module detects an open in the (X712) microphone circuit.
| Possible Causes |
|---|
| (X712) MICROPHONE 1 IN (+) CIRCUIT OPEN |
| INSIDE REARVIEW MIRROR |
| HANDS FREE MODULE |
- CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, record and erase DTCs. Turn the ignition off, wait 30 seconds then turn the ignition on. With the scan tool, read DTCs. Is the DTC 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 «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) .
- INSIDE REARVIEW MIRROR Turn the ignition off. Disconnect the Rearview Mirror harness connector. Connect a jumper wire from the (X712) Microphone 1IN (+) circuit to ground. Turn the ignition on. With the scan tool, read the active DTC's. Does the scan tool display this DTC as active? Yes Go To 3 . No Replace the Rearview Mirror in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) .
- (X712) MICROPHONE 1IN (+) CIRCUIT OPEN Turn the ignition off. Disconnect the Radio C2 harness connector. Disconnect the Inside Rearview Mirror harness connector. Measure the resistance of the (X712) Microphone 1IN (+) circuit between the Radio C2 connector and the inside rearview mirror connector. Is the resistance below 5.0 ohms? Yes Replace the Hands Free Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) . No Repair the (X712) Microphone 1 IN (+) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) .
- When Monitored: With the ignition on.
- Set Condition: The Hands Free Module detects an open in the (X722) microphone circuit.
| Possible Causes |
|---|
| (X722) MICROPHONE 2 IN (+) CIRCUIT OPEN |
| INSIDE REARVIEW MIRROR |
| HANDS FREE MODULE |
- CHECK FOR ACTIVE DTC Turn the ignition on. With the scan tool, record and erase DTCs. Turn the ignition off, wait 30 seconds then turn the ignition on. With the scan tool, read DTCs. Is the DTC 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 «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) .
- INSIDE REARVIEW MIRROR Turn the ignition off. Disconnect the Rearview Mirror harness connector. Connect a jumper wire from the (X722) Microphone 2 IN (+) circuit to ground. Turn the ignition on. With the scan tool, read the active DTC's. Does the scan tool display this DTC as active? Yes Go To 3 . No Replace the Rearview Mirror in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) .
- (X722) MICROPHONE 2 IN (+) CIRCUIT OPEN Turn the ignition off. Disconnect the Radio C2 harness connector. Disconnect the Inside Rearview Mirror harness connector. Measure the resistance of the (X722) Microphone 2 IN (+) circuit between the Radio C2 connector and the inside rearview mirror connector. Is the resistance below 5.0 ohms? Yes Replace the Hands Free Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) . No Repair the (X722) Microphone 2 IN (+) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) .
- When Monitored: With the ignition on.
- Set Condition: The Hands Free Module will receive and monitor the VIN message from the PCM and record the VIN if different from the last VIN.
| Possible Causes |
|---|
| INCORRECT VIN PROGRAMMED IN PCM |
| HANDS FREE MODULE |
- When Monitored: With the ignition on.
- Set Condition: The Hands Free Module detects a fault during an internal diagnostic check.
| Possible Causes |
|---|
| HANDS FREE MODULE |
- When Monitored: With the ignition on.
- Set Condition: The Hands Free Module will receive and monitor the vehicle line message from the PCM and record the vehicle line if different from the last vehicle line.
| Possible Causes |
|---|
| INCORRECT PCM |
| HANDS FREE MODULE |
- When Monitored: With the ignition on.
- Set Condition: The Hands Free Module detects a fault during an internal diagnostic check.
| Possible Causes |
|---|
| HANDS FREE MODULE |
- When Monitored: With the ignition on.
- Set Condition: The Hands Free Module detects a fault during an internal diagnostic check.
| Possible Causes |
|---|
| HANDS FREE MODULE |
- When Monitored: Continuously
- Set Condition: Whenever the CAN B Bus (+) or CAN B Bus (-) circuit is open, shorted to voltage or shorted to ground.
| Possible Causes |
|---|
| CAN B BUS DTC's IN TOTALLY INTEGRATED POWER MODULE |
| (D55) CAN B BUS (+) CIRCUIT OPEN |
| (D54) CAN B BUS (-) CIRCUIT OPEN |
| HANDS FREE MODULE |
- CHECK FOR ACTIVE DTCS With the scan tool, read the active DTC's. Cycle the ignition switch from off to on. With the scan tool, read the active DTC's. Does the scan tool display this DTC as active? Yes Go To 2 . No If the DTC is stored, check for an intermittent condition. Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
- CHECK TOTALLY INTEGRATED POWER MODULE DTC's With the scan tool, read Totally Integrated Power Module active DTC's Does the scan tool display any CAN B BUS DTC's - ACTIVE? Yes Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) . No Go To 3 .
- (D55) CAN B BUS (+) CIRCUIT OPEN Turn the ignition off. Disconnect the negative battery cable. Disconnect the Hands Free Module connector. Disconnect the Totally Integrated Power Module C6 connector. Measure the resistance of the (D55) CAN B Bus (+) circuit between the Totally Integrated Power Module C6 connector and the Hands Free Module connector. Is the resistance below 2.0 ohms? Yes Go To 4 . No Repair the (D55) CAN B Bus (+) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) .
- (D54) CAN B BUS (-) CIRCUIT OPEN Measure the resistance of the (D54) CAN B Bus (-) circuit between the Totally Integrated Power Module C6 connector and the Hands Free Module connector. Is the resistance below 2.0 ohms? Yes Replace the Hands Free Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) . No Repair the (D54) CAN B Bus (-) circuit for an open. Perform «BODY VERIFICATION TEST - VER 1»(ref-305767-S12156571892008120200000) .