P1568

DTC 67 (P0A9B, P1568): Battery Module Temperature Signal Circuit Problem
1. Reset the MCM.
2. Turn the ignition switch ON (II), and wait for 5 seconds.
Is DTC 67 indicated?
YES-Go to step 3.
NO-Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the BCM module and at the battery module.
3. Turn the ignition switch OFF.
4. Turn the battery module switch OFF.
5. Remove the IPU lid.
6. Inspect BCM module connector B (22P) for a poor connection.
Is the connection OK?
YES-Go to step 7.
NO-Correct as necessary.
7. Turn the ignition switch ON (II).





8. Measure voltage between BCM module connector terminal B12 and body ground.
Is there 1.0 V or less?
YES-Replace the battery module.
NO-Substitute a known-good BCM module, turn the battery module switch ON, and recheck. If the symptom/indication goes away, replace the original BCM module.