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NHTSA ID Number: 10108617
Manufacturer Communication Number: 15-NA-051
Summary
This technical bulletin provides a procedure to Install a low profile fuel pump relay to correct a customer concern on a no-start or stalling due to the rear seat bottom coming into contact with the rear electrical center (REC) cover.
8 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| BUICK | LUCERNE | 2008-2011 |
| CADILLAC | DTS | 2008-2011 |
Parts
| Low Profile Fuel Pump Relay | 1 | 88953222  |
| Rear Electrical Center | 1 | 20777935 |
SEOCONTENT-START
15-NA-051
| Subject: | Vehicle Stalls While Driving, No Start/Stalling |
| Brand: | Model: | Model Year: | VIN: | Engine: | Transmission: | ||
|---|---|---|---|---|---|---|---|
| from | to | from | to | ||||
| Buick | Lucerne | 2008 | 2011 | All | All | ||
| Cadillac | DTS | 2009 | 2011 | ||||
| Involved Region or Country | North America and N.A. Export Regions |
| Condition | Some customers may comment on the following conditions:
|
| Cause | The rear seat foam bottom and seat mounting bracket may come into contact with the Rear Electrical Center (REC) (Rear Junction Block) cover. |
| Correction | If the vehicle exhibits any of the above conditions, the REC must be inspected for any signs of contact and/or damage to the FPR, fuse, REC and REC X1 electrical connector. |
Service Procedure
- Remove the rear seat bottom cushion (1).
- Disconnect the negative battery cable.
- Remove the REC cover (1).
- Inspect the cover for signs of contact with the fuel pump relay.
- Remove and inspect the fuel pump relay (3) for any signs of contact, damage and/or burn marks.
- Remove and inspect the fuel pump fuse (2) for any signs of damage and/or burn marks.
- Separate the upper REC (6) from the lower housing (4) by pressing the 4 locking tabs.
- Inspect the REC for the following concerns:
- Burnt wires or terminals at the F1 cavity.
- Damaged and/or burnt X1 electrical connector.
- Remove the X1 connector from the REC.
- Inspect the connector for any damaged or burnt terminals.
- Inspect for any signs of warping or disfigurement caused by heat to the junction block (1).
If no damage is found, Do Not replace the fuse block and refer to SI for further diagnostics.
If damage was found, proceed with repair.
If no damage is found at the REC or the F1 cavity:
- Remove FPR relay (1) and discard.
- Install a low profile fuel pump relay (2).
- Trim seat brackets. (Lucerne Only)
- Re-position REC. (DTS Only)
If any damage is found at the REC and not at the F1 cavity:
If any damage is found at the REC and at F1 cavity:
- Replace the REC.
- Repair the wire terminal at the F1 cavity.
- If required, replace the X1 connector.
- Trim seat brackets. (Lucerne Only)
- Re-position REC. (DTS Only)
Rear Seat Bracket Repair for Lucerne
- With the rear seat cushion on a bench, measure 5 mm (0.197 in) from each edge of the right side seat mount bracket and mark with a paint marker as shown (1).
- Using a cut off wheel or equivalent, carefully cut each side of the bracket as shown (1). Check for any rough edges and file if necessary.
- Install the rear seat cushion.
- Connect the battery.
Rear Junction Block Positioning for DTS
- Loosen the nuts that secure the REC to the floor panel.
- Position the rear electrical center towards the rear of vehicle.
- Tighten the nuts to specifications.
- Refer to Fastener Specifications in SI.
Parts Information
| Causal Part | Description | Part Number | Qty |
| x | Low Profile Fuel Pump Relay | 88953222 |
1 |
| Rear Electrical Center | 20777935 |
1 |
Warranty Information
For vehicles repaired under the Bumper-to-Bumper coverage (Canada Base Warranty coverage), use the following labor operation. Reference the Applicable Warranties section of Investigate Vehicle History (IVH) for coverage information.
| Labor Operation | Description | Labor Time |
| 5480178* | Replace Fuel Pump Relay | 0.2 hr |
| Add | Rear Body Fuse Block (REC) Replacement | 0.5 hr |
| Add | Wiring Repair | 0.5 hr |
| Add | Cut Rear Seat Bracket (Lucerne Only) | 0.4 hr |
| Add | Adjust Rear Body Fuse Block (REC) (DTS Only) | 0.2 hr |
| *This is a unique Labor Operation for Bulletin use only. | ||
| Version | 3 |
| Modified | July 18, 2016 – Added the Cadillac DTS.
November 3, 2017 – Updated the Service Procedure and Parts Information sections. |
SEOCONTENT-END
15-NA-051
August, 2016
https://www.nhtsa.gov/recalls?nhtsaId=10108617
https://static.nhtsa.gov/odi/tsbs/2017/SB-10108617-9340.pdf
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Bulletin No.: 15-NA-051
Date: Jul-2016
https://www.nhtsa.gov/recalls?nhtsaId=10137221
https://static.nhtsa.gov/odi/tsbs/2015/MC-10137221-9999.pdf
To View or Download this Document Click Here
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15-NA-051
November, 2015
https://www.nhtsa.gov/recalls?nhtsaId=10074301
https://static.nhtsa.gov/odi/tsbs/2015/SB-10074301-0699.pdf
To View or Download this Document Click Here
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