Instrument Cluster Error Message (54.10/106)

INSTRUMENT CLUSTER ERROR MESSAGE

TECHNICAL SERVICE BULLETIN

SUBJECT

Instrument Cluster Error Message

SERVICE INFORMATION

If you receive customer reports in the above model vehicles of the below error message(s) in the Instrument cluster at high outside temperatures and the fault codes 9050 [Consumer Shutoff, Stage 2] and 9051 [Consumer Shutoff, Stage 1] are stored in the Battery Control Module (BCM), the battery control module may need to be replaced.

• "Stop! Battery/Alternator"
• "Brake defective! Stop the vehicle!"

Spare wheel well temperatures greater than 50°C may create unstable conditions for some battery control modules. These battery control modules may not display any voltage or current values during these conditions. Follow the procedure below to resolve.

1. Check the Q-status and part number of the Battery Control Module (BCM).
   NOTE: Temperature tested battery control modules start with a software release of Q1 (A211 540 27 45) and have a white "HT" stamp on the housing.
2. If a Battery Control Module (BCM) is found installed with an older Q-status than indicated in the above note, remove/install/replace with newer BCM. Refer to WIS document GF54.21-P-4121T for further information on the BCM location and function.

PARTS INFORMATION

Qty.	Part Name	Part Number
1	Battery Control Module	A211 540 27 45 (1)
(1) Parts are in a critical supply situation and will be limited, please see the PAC weekly status report on parts availability status and delivery expectations. This report is located on the PAC website.

IN CASE OF WARRANTY

Operation:

1. Short test, perform (54-1011)
2. Control unit - Battery (after test), replace (54-2300)

Damage Code	Operation Number	Labor Time (hrs.)	Model Indicator (s)
54849 73	54 1011	0.3 hrs.	00
54849 73	54 2300	0.7 hrs.	T1, T2, T3, T4, T5