P1570
DTC P1570 (66): Battery Module Individual Voltage Input Problem1. Reset the MCM.
2. Turn the battery module switch OFF.
3. Remove the IPU lid.
4. Check for poor connections at MCM connector F (14P).
Are the connections OK?
YES-Go to step 7.
NO-Repair the connections, then go to step 5.
5. Reset the MCM.
6. Turn the ignition switch ON (II).
Is DTC P1570 indicated?
YES-Go to step 7.
NO-Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the battery module and et the MCM.
7. Measure voltage: between these MCM connector terminals:
^ F14 and F6
^ F6 and F13
^ F13 and F5
^ F5 and F4
^ F1 and F7
^ F7 and F2
^ F2 and F8
^ F8 and F3
^ F3 and F9
^ F9 and F10
Are all measurements about 7.0 V Or higher?
YES-Update the MCM if it does not have the latest software, or substitute a known-good MCM, then recheck. If the symptom/indication goes away with a known-good MCM, replace the original MCM.
NO-Replace the battery module.