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Steering System DTCS

VARIABLE ASSIST POWER STEERING (VAPS) MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Source Perform Test
B1317 Battery Voltage High Variable Assist Power Steering (VAPS) Module
NOTE: Jump starting can set this code.
Go to Pinpoint Test A .
B1318 Battery Voltage Low VAPS Module
NOTE: A battery in a low state of charge can set this code.
Go to Pinpoint Test A .
B1342 ECU is Defective VAPS Module INSTALL the VAPS module. REFER to POWER STEERING article.
B2477 Module Configuration Failure VAPS Module REFER to Programmable Module Installation in MODULE CONFIGURATION article.
C1897 Steering VAPS Circuit Loop Failure VAPS Module Go to Pinpoint Test B .
U0073 Control Module Communication Bus A Off VAPS Module REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the no communication concern.
U0100 Lost Communication with ECM/PCM VAPS Module REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the no communication concern.
U0155 Lost Communication with Instrument Panel Cluster VAPS Module REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the no communication concern.
U2011 Module Transmitted Invalid Data (Non SCP) VAPS Module CLEAR the DTC. REPEAT the self-test.
If DTC U2011 returns, INSTALL a new VAPS module. REFER to POWER STEERING article. TEST the system for normal operation.
U2050 Application Not Present VAPS Module INSTALL a new VAPS. REFER to POWER STEERING article. TEST the system for normal operation.
- For Air Suspension Module DTCs - REFER to the Air Suspension Module DTC Chart in VEHICLE DYNAMIC SUSPENSION article.