Pinpoint Test Be : DTC U0193:00
- BE1 VERIFY THE CUSTOMER CONCERN
- Ignition ON.
- Verify that there is an observable symptom present.
Is an observable symptom present?
Yes GO to BE2. No The system is operating normally at this time. The DTC may have been set due to high network traffic or an intermittent fault condition. - BE2 CHECK THE COMMUNICATION NETWORK
- Using a scan tool, perform a network test.
Does the audio DSP module pass the network test?
Yes GO to BE3. No REFER to Module Communications Network . - BE3 RETRIEVE THE RECORDED DTCs FROM THE AUDIO DSP MODULE SELF-TEST
- Using a scan tool, perform the audio DSP module self-test.
Are any DTCs recorded?
Yes REFER to REFER to appropriate Information and Entertainment System article. No GO to BE4. - BE4 RETRIEVE THE RECORDED DTCs FROM THE IPC SELF-TEST
- Using a scan tool, perform the IPC self-test.
Is DTC U3003:16 or DTC U3003:17 recorded?
Yes For DTC U3003:16, GO to Pinpoint Test BJ . For DTC U3003:17, GO to Pinpoint Test BK . No GO to BE5. - BE5 RECHECK THE IPC DTCs
- Using a scan tool, clear the DTCs.
- Repeat the IPC self-test.
Is DTC U0121:00 still present?
Yes GO to BE6. No The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition. - BE6 CHECK FOR DTC U0193:00 SET IN OTHER MODULES
- Using a scan tool, clear all DTCs.
- Ignition OFF.
- Ignition ON.
- Wait 10 seconds.
- Using a scan tool, perform self-test.
- Retrieve the continuous memory DTCs from all modules.
Is DTC U0193:00 set in the ACM ?
Yes INSTALL a new audio DSP module. REFER to appropriate Information and Entertainment System article. No Refer to IPC Hardware Testing .