AcuraLink® System Status Indicator Is Red and DTC B1403 Will Not Clear – 2014-2015 Acura

B15-017
May 13, 2015
01621 Version 1

 

AcuraLink® System Status Indicator Is Red and DTC B1403 Will Not Clear

 

AFFECTED VEHICLES

Year Model Trim Level VIN Range
2014 MDX ALL with navigation ALL
2015 MDX 2WD with navigation 5FRYD3…FB000001 thru 5FRYD3…FB007880
SH-AWD with navigation 5FRYD4…FB000001 thru 5FRYD4…FB018838
2014–15 RLX ALL with navigation ALL
2014 RLX Sport Hybrid ALL with navigation ALL
2015 TLX 2WD L4 with navigation 19UUB1…FA000001 thru 19UUB1…FA007105
2WD V6 with navigation 19UUB2…FA000001 thru 19UUB2…FA009308
SH-AWD V6 with navigation 19UUB3…FA000001 thru 19UUB3…FA001517

 

SYMPTOM

The AcuraLink system status indicator changes from green to red and DTC B1403 (telematics GPS receiver error) will not clear.

 

POSSIBLE CAUSES

The TCU (telematics control unit) has an intermittent failure that causes a loss of GPS location.

 

CORRECTIVE ACTION

Inspect the TCU and, if necessary, replace it.

 

PARTS INFORMATION

Model Part Name Part Number Quantity
MDX Telematics Control Unit 39770-TZ5-A52 1
RLX Telematics Control Unit 39770-TY2-A01 1
TLX Telematics Control Unit 39770-TZ3-A51 1

 

WARRANTY CLAIM INFORMATION

The normal warranty applies.

Operation Number Description Flat Rate Time Template ID Failed Part Number
1215A6 MDX – Inspect and replace the TCU 0.3 hr 15-017N 39770-TZ5-A52
RLX – Inspect and replace the TCU 0.3 hr 15-017P 39770-TY2-A01
TLX – Inspect and replace the TCU 0.4 hr 15-017Q 39770-TZ3-A51

 

Defect Code: 03217
Symptom Code: 03214
Skill Level: Repair Technician

 

INSPECTION AND REPAIR PROCEDURE – MDX

NOTE: Have the service consultant advise your client that all phone numbers, speed dial information, voice tags, and contacts will be lost during this procedure. Also, the phone will have to be paired again and voice tags restored.

  1. Find the TCU. It is behind the center console side cover on the driver’s side. See the electronic service manual for details.

TCU

 

  1. Pull the cover to the side without damaging the harness and connectors so that you can access the TCU label.

access the TCU label

 

  1. Check the label for the latest Visteon part revision number.
    • If the Visteon part revision number is 13 or above and the software revision number is 02.07.000 or above, the TCU is okay and this bulletin does not apply. Continue with normal troubleshooting.
    • If the Visteon part revision number is 12 or less and/or the software revision number is 02.06.000 or less, replace the TCU and go to step 4.

Visteon part revision number

 

  1. Turn the ignition to ON and park the vehicle in an open area away from trees, power lines, and tall buildings.
  2. Let the vehicle idle for at least 15 minutes for the AcuraLink service to return to normal.
  3. Press the SETTINGS button on the control panel.
  4. Select Info Settings on the ODMD.
  5. Select AcuraLink Subscription Status to show the current contract status.
  6. If the status comes up as No Data, turn the ignition to OFF for 1 minute and then to ON again. Repeat steps 4 through 8 and check that AcuraLink and AcuraLink Real-Time Traffic™ (if subscribed) are working correctly. If not, continue with normal troubleshooting procedures.

 

INSPECTION AND REPAIR PROCEDURE – RLX AND RLX SPORT HYBRID

NOTE: Have the service consultant advise your client that all phone numbers, speed dial information, voice tags, and contacts will be lost during this procedure. Also, the phone will have to be paired again and voice tags restored.

  1. Find the TCU. It is behind the passenger’s side kick panel. See the electronic service manual for details.

TCU

 

  1. Remove the screws and disconnect the connectors.

Remove the screws and disconnect the connectors

 

  1. Check the label for the latest Visteon part revision number.
    • If the Visteon part revision number is 13 or above and the software revision number is 02.07.000 or above, the TCU is okay and this bulletin does not apply. Continue with normal troubleshooting.
    • If the Visteon part revision number is 12 or less and/or the software revision number is 02.06.000 or less, replace the TCU and go to step 4.

Visteon part revision number

 

  1. Turn the ignition to ON and park the vehicle in an open area away from trees, power lines, and tall buildings.
  2. Let the vehicle idle for at least 15 minutes for the AcuraLink service to return to normal.
  3. Press the SETTINGS button on the control panel.
  4. Select Info Settings on the ODMD.
  5. Select AcuraLink Subscription Status to show the current contract status.
  6. If the status comes up as No Data, turn the ignition to OFF for 1 minute and then to ON again. Repeat steps 4 through 8 and check that AcuraLink and AcuraLink Real-Time Traffic™ (if subscribed) are working correctly. If not, continue with normal troubleshooting procedures.

 

INSPECTION AND REPAIR PROCEDURE – TLX

NOTE: Have the service consultant advise your client that all phone numbers, speed dial information, voice tags, and contacts will be lost during this procedure. Also, the phone will have to be paired again and voice tags restored.

  1. Find the TCU. It is behind the passenger’s dashboard undercover. See the electronic service manual for details.

TCU

 

  1. Remove the two bolts, then remove the bracket and disconnect the connectors.

Remove the two bolts

 

  1. Locate the TCU label.

TCU label

 

  1. Check the label for the latest Visteon part revision number.
    • If the Visteon part revision number is 11 or above and the software revision level is 01.05.000 or above, the TCU is okay and this bulletin does not apply. Continue with normal troubleshooting.
    • If the Visteon part revision number is 10 or less and/or the software revision number is 01.04.000 or less, replace the TCU and go to step 5.

Visteon part revision

 

  1. Turn the ignition to ON and park the vehicle in an open area away from trees, power lines, and tall buildings.
  2. Let the vehicle idle for at least 15 minutes for the AcuraLink service to return to normal.
  3. Press the SETTINGS button on the control panel.
  4. Select Info Settings on the ODMD.
  5. Select AcuraLink Subscription Status to show the current contract status.
  6. If the status comes up as No Data, turn the ignition to OFF for 1 minute and then to ON again. Repeat steps 6 through 10 and check that AcuraLink and AcuraLink Real-Time Traffic™ (if subscribed) are working correctly. If not, continue with normal troubleshooting procedures.

 

END.


 

B15-017

 

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