Operation CHARM: Car repair manuals for everyone.

Power Locks

B210D-BATTERY VOLTAGE LOW - MEMORY MIRROR MODULE

WHEN MONITORED
At all times.

SET CONDITION
Anytime the module senses voltage input below 9.5 volts, this code will set.

POSSIBLE CAUSES
- Low voltage engine DTC
- Memory mirror module

Diagnostic Test

1. CHECK ENGINE DTC'S




With the scan tool, read ENGINE DTC's

Q: Are there any ENGINE DTC's present?

NO: Go to 2
YES: Refer to symptom list for problems related to ENGINE.

2. TEST FOR INTERMITTENT CONDITION
With the scan tool, record and erase DTC's Start the engine and run for 2 minutes.
Cycle the ignition from on to off 3 times.
Turn the ignition on.
With the scan tool, read DTC's.

Q: Does the scan tool display BATTERY VOLTAGE LOW?

YES: Replace the Memory Mirror Module. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test