Tribute 2WD L4-2.5L (2009)
Engine Control Module: All Technical Service Bulletins
Engine, A/T Controls - MIL ON/Harsh Engagement/DTC's Set
Bulletin Number: 05-005/09
Last Issued 04/06/2009
Subject:
MIL ILLUMINATION WITH DTCs P0770 / P0772 / P0773 / P0774 - ERRATIC SHIFT
AND/OR HARSH ENGAGEMENTS
APPLICABLE MODEL(S)/VINS
2009 Tribute with 6F35 Automatic Transaxle built between Sept. 8, 2008 and Sept. 26, 2008
DESCRIPTION
Some vehicles may exhibit a MIL illumination with DTCs P0770, P0772, P0773, P0774. The DTC's indicate open, short to ground or short to power in
shift solenoid E (SSE) circuit. The failure modes that may be associated with the DTC's are:
^ Erratic shifts
^ Harsh engagements
^ 5th gear drive away
^ No torque converter clutch (TCC) apply
^ Malfunction Indicator Lamp (MIL) on
These may be caused by a shorted circuit in the powertrain control module (PCM).
Customers having this concern should have their vehicle repaired using the following repair procedure.
REPAIR PROCEDURE
1. Verify customer concern.
2. Follow Pinpoint Test 1: Transaxle Control Solenoids according to Workshop Manual (section 05-01 PINPOINT TEST 1: TRANSAXLE CONTROL
SOLENOIDS) through test step "Check The Resistance Of The Solenoid Field Circuit".
3. Replace powertrain control module (PCM) according to Workshop Manual (section 01-40 POWERTRAIN CONTROL MODULE (PCM)
REMOVAL/INSTALLATION - 2.5L) or (section 01-40 POWERTRAIN CONTROL MODULE (PCM) REMOVAL/INSTALLATION - 3.0L)
4. Use IDS Programmable Module Installation (PMI) function to insure new PCM has transaxle solenoid body strategy downloaded.
5. Verify repair.
PART(S) INFORMATION
