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TSB 08-3-1

02/18/08

MALFUNCTION INDICATOR LAMP (MIL) ON WITH
DIAGNOSTIC TROUBLE CODE (DTC) U2062

FORD:
2005-2008 Escape Hybrid

MERCURY:
2006-2008 Mariner Hybrid

ISSUE
Some 2005-2008 Escape Hybrid and 2006-2008 Mariner Hybrid vehicles may exhibit an MIL on with a DTC U2062 in the brake system control module, part of the hydraulic control unit (HCU).

ACTION
Follow the Service Procedure steps to correct the condition.

SERVICE PROCEDURE
Diagnose and fix any other DTC's before performing this TSB for DTC U2062. If the DTC U2062 is present alone or after diagnosing other DTC's perform this Service Procedure.

1. Disconnect the battery ground cable. For additional information, refer to Workshop Manual (WSM), Section 414-01.

2. Locate the two grounds for the ABS controller using the wiring diagram. Grounds for 2005 to 2007 are G102 and G104. 2008 grounds are G109 and G110. The grounds are located on the right hand side frame rail under the hydraulic control unit (HCU). (Figure 1)


3. Disconnect the grounds G102/G104 or G109/G110, clean the ground stud threads and contact sur[ace. If the vehicle was built prior to October 2005, replace the two ground studs and nuts with the updated service parts.

4. Disconnect connector C1462 the 47 pin HCU connector and remove red plastic lock from inside the connector. (Figure 2)


5. Open the back cover of connector C1462 and locate the black ground wires in pin locations 16 and 47. Remove pins 16 and 47 from connector C1462. (Figure 3) Remove tape from harness loom and cut the two ground circuits 1 inch into the harness loom. Tape the ends of the ground circuits and re-tape the harness loom into original position using vinyl tape or equivalent.


6. Using the ground wires provided in the jumper harness service kit, insert the pins into C1462 at pin locations 16 and 47. (Figure 3) Tape the jumper harness service kit wires to the existing harness until you reach the ground locations G102/G104 or G109/G110. Install the red plastic pin terminal lock into C1462 and connect to the HCU. (Figure 2)

7. Locate the existing ground eyelets for G102/G104 or G109/G110 that were removed in Step 3. (Figure 1)

8. Cut the existing ground eyelets for G102/G104 or G109/G110 near the harness and tape exposed ends to the existing harness.

9. Route the ground jumper harness service kit eyelets to the ground studs on the HCU bracket and secure the grounds. (Figure 4)


10. Connect the battery ground cable. For additional information, refer to Workshop Manual (WSM), Section 414-01.

Parts Block
PART NUMBER
PART NAME
W711254-S437MGround Stud
W705790-S901Nut
8M6Z-13N850-AHarness Service Kit
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage

IMPORTANT: Warranty coverage limits/policies are not altered by a TSB. Warranty coverage limits are determined by the identified causal part.

OPERATION
DESCRIPTION
TIME
080301A2005-2008 Escape Hybrid, 2006-2008 Mariner Hybrid: Install Ground Jumper Harness Service Kit, Includes Time To Check For DTCs (Do Not Use With 12650D)
1.0 Hr.​
DEALER CODING
BASIC PART NO.
CONDITION CODE
2C215
X1​
 

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Discussion Starter · #2 ·
Bulletin No.: 04-003/08

Last Issued: 2/28/2008

Subject:
HYBRID - MIL ON - DTC U2062 SET

APPLICABLE MODEL(S)/VINs
2008 Tribute Hybrid

DESCRIPTION
Some 2008 Tribute Hybrid vehicles may exhibit an MIL on with a DTC U2062 in the brake system control module, part of the Hydraulic Control Unit (HCU).

- U2062 - ECU REDUNDANT GROUND CIRCUIT OPEN

Customers having this concern should have their vehicle repaired using the following repair procedure.

REPAIR PROCEDURE
NOTE:
^ If any additional DTCs are set, diagnose and repair those DTC's first. If DTC U2062 is set alone or is set after diagnosing and repairing other DTC's, perform the following repair procedure.

1. Verify customer concern.

2. Record customers radio station presets.

3. Disconnect the negative battery cable for the 12v battery located in the engine compartment.

4. Locate grounds G8 and G9 (A) for the ABS controller. Refer to WIRING DIAGRAM - 01G-1 - GROUND POINT for Tribute Hybrid located on MS3. The grounds are located on the right hand side frame rail under the hydraulic control unit (HCU).


5. Disconnect grounds G8 and G9 (A), clean the ground stud threads and contact surface.

6. Disconnect connector 0413-101 (47 PIN HCU connector) and remove red plastic lock from inside the connector.


7. Open the back cover of connector 0413-101 and locate the black ground wires in pin locations 16 and 47. Remove pins 16 and 47 from connector 0413-101. Remove tape from harness loom and cut the two ground circuits 1 inch into the harness loom. Tape the ends of the ground circuits and re-tape the harness loom into original position using vinyl tape or equivalent.


8. Using the wires provided in the ground harness, insert the pins into 0413-101 at pin locations 16 and 47. Tape the ground harness wires to the existing harness (A) until you reach the ground locations G8 and G9 (B). Install the red plastic pin terminal lock into 0413-101 and connect to the HCU.


9. Locate the existing ground eyelets for G8 and G9 (B) that were removed in Step 5.

10. Cut and remove the existing ground eyelets for G8 and G9 near the harness and tape exposed ends to the existing harness.

11. Route the ground harness eyelets (B) to the ground studs on the frame rail (C) attaching the HCU bracket (D) and secure the grounds.

12. Reconnect the negative battery cable for the 12v battery located in the engine compartment. Input recorded customer radio station presets. Set the clock.

13. Verify repair.

PART(S) INFORMATION
Part Number
Description
Qty.
ZZCA-43-7A9​
Ground harness​
1​
WARRANTY INFORMATION
NOTE:
^ This warranty information applies only to verified customer complaints on vehicles eligible for warranty repair. Refer to the Warranty Wizard for warranty term information.
^ Additional diagnostic time cannot be claimed for this repair.

Warranty Type
A​
Symptom Code
64​
Damage Code
9V​
Part Number Main Cause
ZZCA-43-7A9​
Quantity
1​
Operation Number / Labor Hours:
YY502XRX / 0.3 hr​
 
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