DTC B2937 [POWER LIFTGATE (PLG) SYSTEM]

id0902e9381100

DTC B2937

PLG motor circuit malfunction

DETECTION CONDITION

PLG motor current is excessively low (less than 1 A)

POSSIBLE CAUSE

•  Open circuit in wiring harness between PLG control module terminal 1E and PLG motor terminal A (PLG drive unit)

•  Open circuit in wiring harness between PLG control module terminal 1F and PLG motor terminal B (PLG drive unit)

•  PLG motor malfunction

•  PLG control module malfunction

DTC B2937	PLG motor circuit malfunction
DETECTION CONDITION	PLG motor current is excessively low (less than 1 A)
POSSIBLE CAUSE	• Open circuit in wiring harness between PLG control module terminal 1E and PLG motor terminal A (PLG drive unit) • Open circuit in wiring harness between PLG control module terminal 1F and PLG motor terminal B (PLG drive unit) • PLG motor malfunction • PLG control module malfunction

Diagnostic procedure

STEP	INSPECTION		ACTION
1	INSPECT WIRING HARNESS BETWEEN PLG CONTROL MODULE AND PLG DRIVE UNIT • Disconnect the PLG control module connector. • Disconnect the PLG drive unit connector. • Inspect the wiring harness between PLG control module terminals 1E and 1F, and PLG drive unit terminals A and B for an open circuit. • Is the wiring harness normal?	Yes	Replace the PLG drive unit. (See POWER LIFTGATE (PLG) DRIVE UNIT REMOVAL/INSTALLATION.) Go to the next step.
1		No	Repair or replace the wiring harness. Go to the next step.
2	VERIFY CORRECTION COMPLETED • Reconnect the disconnected connector. • Clear the DTC. • Operate the PLG system. • Is DTC B2937 stored?	Yes	Replace the PLG control module. (See POWER LIFTGATE (PLG) CONTROL MODULE REMOVAL/INSTALLATION.)
2		No	DTC troubleshooting completed.