Pinpoint Test D : DTC U0140:87
- D1 VERIFY THE SCAN TOOL COMMUNICATES WITH THE PCM
- Connect the scan tool.
- Check that a vehicle session can be established using the scan tool.
Can a vehicle session be established?
Yes GO to D2. No Refer to article 'Module Communications Network', Go to Pinpoint Test A . - D2 CHECK THE BCM CONTINUOUS MEMORY DTCs
- Ignition ON.
- Using a scan tool, perform BCM self-test.
- Clear the DTCs. Repeat the BCM self-test.
Is DTC U0140:87 retrieved again?
Yes GO to D3. 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. - D3 RETRIEVE THE RECORDED DTCs FROM THE BCM SELF-TEST
- Check for recorded BCM DTCs from the self-test.
Is DTC U3003:16 or DTC U3003:17 recorded?
Yes For DTC U3003:16, GO to Pinpoint Test H . For DTC U3003:17, GO to Pinpoint Test I . No GO to D4. - D4 CHECK FOR DTC U0140:87 SET IN OTHER MODULES
- Ignition ON.
- Using a scan tool, retrieve the continuous memory DTCs from all modules.
Is DTC U0140:87 set in any other module?
Yes INSTALL a new BCM. REFER to Body Control Module (BCM) - With Intelligent Access (IA) or REFER to Body Control Module (BCM) - Without Intelligent Access (IA) . No INSTALL a new RFA. REFER to Remote Function Actuator (RFA) Module .