DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B143B | MICROPHONE 1 CIRCUIT LOW |
| B143B | MICROPHONE 1 CIRCUIT LOW (RADIO) |
| B143C | MICROPHONE 1 CIRCUIT HIGH |
| B143C | MICROPHONE 1 CIRCUIT HIGH (RADIO) |
| B143E | MICROPHONE 2 CIRCUIT LOW |
| B143E | MICROPHONE 2 CIRCUIT LOW (RADIO) |
| B143F | MICROPHONE 2 CIRCUIT HIGH |
| B143F | MICROPHONE 2 CIRCUIT HIGH (RADIO) |
| B1459 | TELEMATICS MIRROR CONTROL CIRCUIT LOW |
| B145A | TELEMATICS MIRROR CONTROL CIRCUIT HIGH |
| B145B | TELEMATICS MIRROR CONTROL CIRCUIT OPEN |
| B1492 | GENERAL MICROPHONE PERFORMANCE (RADIO) |
| B14B7 | MICROPHONE 1 CIRCUIT OPEN (RADIO) |
| B14B8 | MICROPHONE 2 CIRCUIT OPEN (RADIO) |
| B2205 | ORIGINAL VIN MISSING/MISMATCH |
| B2223 | (HFM) HANDS FREE PHONE INTERNAL |
| B222A | VEHICLE LINE MISMATCH |
| B222E | FLASH CHECKSUM PERFORMANCE |
| B2230 | RAM WRITE PERFORMANCE |
| U0019 | CAN B BUS |
| U0141 | LOST COMMUNICATION WITH FRONT CONTROL MODULE |
| U0151 | LOST COMMUNICATION WITH OCCUPANT RESTRAINT CONTROLLER |
| U0154 | LOST COMMUNICATION WITH OCCUPANT CLASSIFICATION MODULE |
| U0155 | LOST COMMUNICATION WITH CLUSTER/CCN |
| U0156 | LOST COMMUNICATION WITH EOM |
| U0164 | LOST COMMUNICATION WITH HVAC CONTROL MODULE |
| U0168 | LOST COMMUNICATION WITH VEHICLE SECURITY CONTROL MODULE (SKREEM/WCM) |
| U0184 | LOST COMMUNICATION WITH RADIO |
| U0186 | LOST COMMUNICATION WITH AUDIO AMPLIFIER |
| U0195 | LOST COMMUNICATION WITH SDARS |
| U0196 | LOST COMMUNICATION WITH VEHICLE ENTERTAINMENT CONTROL MODULE |
| U0199 | LOST COMMUNICATION WITH DRIVER DOOR MODULE |
| U0200 | LOST COMMUNICATION WITH PASSENGER DOOR MODULE |
| U0208 | LOST COMMUNICATION WITH HEATED SEAT CONTROL MODULE |
| U0209 | LOST COMMUNICATION WITH MEMORY SEAT CONTROL MODULE |
DIAGNOSTIC CODE INDEX
Scheme 125
Diagnostic Test
- 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 Replace the Inside Rearview Mirror in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . 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-306151-S09725333202008120900000) .
- CHECK FOR ACTIVE DTC 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 VIN IN PCM With the scan tool compare the VIN that is programmed into the PCM to the VIN on the vehicle. Does the VIN programmed into the PCM match the vehicles VIN? Yes Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program the Hands Free Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Program the correct VIN in the PCM and retest the HFM system.
- REPLACE THE HANDS FREE MODULE IF DTC IS ACTIVE 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 Replace and program the Hands Free Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . 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 FOR ACTIVE DTC 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 VEHICLE LINE IN PCM With the scan tool compare the vehicle line that is programmed into the PCM to the vehicle line of the vehicle. Does the vehicle line programmed into the PCM match the vehicle? Yes Inspect the wiring and connectors for damage or shorted circuits. If ok, replace and program the Hands Free Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . No Replace and program the Powertrain Control Module in accordance with the service information. Ensure the PCM is replaced with the correct vehicle line PCM. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) .
- REPLACE THE HANDS FREE MODULE IF DTC IS ACTIVE 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 Replace and program the Hands Free Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . 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.
- REPLACE THE HANDS FREE MODULE IF DTC IS ACTIVE 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 Replace and program the Hands Free Module in accordance with the service information. Perform «BODY VERIFICATION TEST - VER 1»(ref-306151-S09725333202008120900000) . 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.
Scheme 126
Refer to DIAGNOSIS AND TESTING for the diagnostic test procedure.
Refer to DIAGNOSIS AND TESTING for the diagnostic test procedure.
Refer to DIAGNOSIS AND TESTING for the diagnostic test procedure.
Refer to DIAGNOSIS AND TESTING for the diagnostic test procedure.
Refer to DIAGNOSIS AND TESTING for the diagnostic test procedure.
Refer to DIAGNOSIS AND TESTING for the diagnostic test procedure.
Refer to DIAGNOSIS AND TESTING for the diagnostic test procedure.
Refer to DIAGNOSIS AND TESTING for the diagnostic test procedure.
Refer to DIAGNOSIS AND TESTING for the diagnostic test procedure.
Refer to DIAGNOSIS AND TESTING for the diagnostic test procedure.
Refer to DIAGNOSIS AND TESTING for the diagnostic test procedure.
Refer to DIAGNOSIS AND TESTING for the diagnostic test procedure.
Refer to DIAGNOSIS AND TESTING for the diagnostic test procedure.
Refer to DIAGNOSIS AND TESTING for the diagnostic test procedure.
Refer to DIAGNOSIS AND TESTING for the diagnostic test procedure.