DTC U017F-00 (E-Pretensioner Unit) (2014 2015)

DTC U017F-00  : Lost Communication with the Driver's E-Pretensioner Unit

NOTE: 

• Before doing this troubleshooting procedure, review General Troubleshooting Information .
• Before replacing the E-pretensioner unit, check the E-pretensioner unit software version with the HDS. If the software version is not the latest, update the E-pretensioner unit software , and retest.
• When you replace the E-pretensioner unit, check the HDS and replace the indicated side of E-pretensioner unit on the HDS.

DTC (E-pretensioner)

1. Problem verification

   - 1. Clear the DTCs with the HDS.

   - 2. Turn the vehicle to the ON mode.

   - 3. Check for DTCs with the HDS.

   DTC Description	DTC
   U017F-00 Lost Communication with the Driver's E-Pretensioner Unit

   DTC Description	DTC
   U017F-00 Lost Communication with the Driver's E-Pretensioner Unit

   Is DTC U017F-00 indicated?

   YES 

   The failure is duplicated. Go to step 2.

   NO 

   Intermittent failure, the system is OK at this time.

2. Fuse check

   - 1. Turn the vehicle to the OFF (LOCK) mode.

   - 2. Check the following fuse.

   Fuse	No. E26 (30 A)
   Location	Passenger's under-dash fuse/relay box

   Is the fuse OK?

   YES 

   Go to step 3.

   NO 

   Replace the fuse, then turn the vehicle to the ON mode. If the fuse blows again, check for a short to ground in the passenger's under-dash fuse/relay box No. E26 (30 A) fuse circuit.

3. Fuse check

   - 1. Check the following fuse.

   Fuse	No. B2-2 (60 A)
   Location	Main under-hood fuse box

   Is the fuse OK?

   YES 

   Go to step 4.

   NO 

   Replace the fuse, then turn the vehicle to the ON mode. If the fuse blows again, check for a short to ground in the under-hood fuse/relay box No. B2-2 (60 A) fuse circuit.

4. Open wire check (+ B E-PT L line)

   - 1. Disconnect the following connector.

   Driver's E-pretensioner unit 16P connector

   - 2. Turn the vehicle to the ON mode.

   - 3. Measure the voltage between test points 1 and 2.

   Test condition	Vehicle ON mode
   	Driver's E-pretensioner unit 16P connector: disconnected
   Test circuit	+ B E-PT L
   Test point 1	Driver's E-pretensioner unit 16P connector No. 1 (GRN)
   Test point 2	Body ground

   Courtesy of HONDA, U.S.A., INC.

   Is there battery voltage?

   YES 

   The + B E-PT L wire is OK. Go to step 5.

   NO 

   Repair an open in the wire between the driver's E-pretensioner unit and the passenger's under-dash fuse/relay box.

5. Open wire check (PGND line)

   - 1. Turn the vehicle to the OFF (LOCK) mode.

   - 2. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	Driver's E-pretensioner unit 16P connector: disconnected
   Test circuit	PGND
   Test point 1	Driver's E-pretensioner unit 16P connector No. 4 (BLK)
   Test point 2	Body ground

   Courtesy of HONDA, U.S.A., INC.

   Is there continuity?

   YES 

   The PGND wire is OK. Go to step 6.

   NO 

   Repair an open in the wire between the driver's E-pretensioner unit and body ground at G602.

6. Open wire check (F-CAN_H, F-CAN_L lines)

   - 1. Disconnect the following connector.

   Front passenger's E-pretensioner unit 14P connector

   - 2. Check for continuity between test points 1 and 2.

   Test condition	Vehicle OFF (LOCK) mode
   	Driver's E-pretensioner unit 16P connector: disconnected
   	Front passenger's E-pretensioner unit 14P connector: disconnected
   Test circuit	F-CAN_H
   Test point 1	Driver's E-pretensioner unit 16P connector No. 12 (WHT)
   Test point 2	Front passenger's E-pretensioner unit 14P connector No. 10 (WHT)

   Test circuit	F-CAN_L
   Test point 1	Driver's E-pretensioner unit 16P connector No. 13 (BRN)
   Test point 2	Front passenger's E-pretensioner unit 14P connector No. 11 (BRN)

   Courtesy of HONDA, U.S.A., INC.

   Is there continuity?

   YES 

   The F-CAN_H and F-CAN_L wires are OK. Substitute a known-good E-pretensioner unit , then recheck. If the symptom/indication goes away with a known-good E-pretensioner unit, replace the original E-pretensioner unit .

   NO 

   Repair an open in the wire between the driver's E-pretensioner unit and the front passenger's E-pretensioner unit.