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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 142 (Nag1 Automatic Transmission - Shifter Diagnostics) >> Automatic Transmission - Shifter Diagnostics >> DTC Troubleshooting >> P0931-BTSI Control Circuit High - ESM >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2006 Dodge Magnum, 2006 Dodge Charger, and 2006 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
ENGINE BRAKE DTC'S PRESENT
ABS DTC'S PRESENT
(B29) BRAKE SWITCH SIGNAL OPEN
(B29) BRAKE SWITCH SIGNAL SHORT TO VOLTAGE
SHIFTER LEVER ASSEMBLY

Always perform the NAG1 Pre-Diagnostic Troubleshooting procedure before proceeding.  (Refer to TRANSMISSION/TRANSAXLE/AUTOMATIC - NAG1 - STANDARD PROCEDURE)  

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