Pinpoint Test O: DTC U0155
- O1 VERIFY THE CUSTOMER CONCERN
- Ignition ON.
- Verify that there is an observable symptom present.
- Is an observable symptom present?
- Yes
: GO to O2.
- 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.
- O2 CHECK THE COMMUNICATION NETWORK
- Connect the scan tool.
- Using a scan tool, carry out the Network Test.
- Does the IC pass the Network Test?
- O3 RETRIEVE THE RECORDED DTCs FROM THE IC SELF-TEST
- Enter the following diagnostic mode on the scan tool: Self-Test - IC.
- Is DTC U3003:16 (or B1318) or DTC U3003:17 (or B1317) recorded?
- O4 RECHECK THE ABS MODULE DTCs
- Using a scan tool, clear the ABS module DTCs.
- Ignition OFF.
- Ignition ON.
- Wait 10 seconds.
- Enter the following diagnostic mode on the scan tool: Self-Test - ABS Module.
- Is DTC U0155 still present?
- Yes
: GO to O5.
- 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.
- O5 CHECK FOR DTC U0155 SET IN OTHER MODULES
- Using a scan tool, clear all CMDTCs.
- Ignition OFF.
- Ignition ON.
- Wait 10 seconds.
- Enter the following diagnostic mode on the scan tool: Self-Test - All CMDTCs.
- Retrieve the continuous memory DTCs from all modules.
- Is DTC U0155:00 or DTC U0155 set in more than one module?