DodgeRam.info > TSB's > 25-003-07

TSB 25-003-07

DTC P0456 - Evaporative System Small Leak Due To Loose Charcoal From Canister

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Date: November 14, 2007   

Models: 2007 (DR/DH/D1/DC) RamTruck(1500/2500/3500)

2007 (DR/DH/D1/DC) RamTruck(1500/2500/3500)
2007 (HB/HG) Durango/Aspen
2007 (WK) Grand Cherokee
2007 (XK) Commander

NOTE: This bulletin applies to vehicle built on or between January 26, 2007
and June 18, 2007 (MDH 0126XX to MDH 0618XX respectively).

Overview:
This bulletin involves performing the diagnostic procedure for DTC P0456, and
if necessary, the replacement of evaporative system components.

Symptom/Condition:
The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Additional
investigation may reveal that the MIL is due to Diagnostic Trouble Code (DTC) P0456 -
Evaporative System Small Leak.

Diagnosis:
1 .Was vehicle built (check vehicle build date) on or between January 26, 2007
    (MDH 0126XX) and June 18,2007 (MDH 0618XX)?
    a. If YES >>> then proceed to the next step.
    b. If NO >>> then STOP. This bulletin does not apply. Further diagnosis is required.
2. Using a Scan Tool (StarSCAN) with the appropriate Diagnostic Procedures available in
    TechCONNECT > Service Info tab > 9 - Engine - Electrical Diagnosis > Diagnosis and
    Testing, verify all engine systems are functioning as designed. If DTC's other than those
    listed above are present record them on the repair order and repair as necessary before
    proceeding further with this bulletin.
3. Perform the complete Diagnostic Procedures for DTC P0456 - Evaporative System Small Leak.

NOTE., Make sure that the flow and smoke tests are performed completely.

4. Was an evaporative system leak detected when a complete OTC P0456 Diagnostic
    Procedure was performed.
    a. If YES >>> then proceed to the next step.
    b. If NO >>> then perform the Repair Procedure.
5. Was the root cause of the leak in the evaporative system a leaking Evaporative System
    Integrity Module (ESIM)?
    a. If YES >>> then perform the Repair Procedure.
    b. If NO >>> then STOP. This bulletin does not apply. Further diagnosis and/or repair is required.

Parts Required:
Qty. Part No. Description
    IF HB/NG - DURANGO / ASPEN
1 52113549AE Canister, Fuel Vapor (includes: Seal and ESIM)
1 152855832AB Hose and Filter, Evap Fresh Air
   
    IF WK/XK - GRAND CHEROKEE / COMMANDER
1 04891725AC Canister, Fuel Vapor (includes: Seal and ESIM) - All
1 52090315AI 52090315AI Assembly, Filler Hose (includes Evap Fresh Air Hose
and Filter) - WK
1 52090241AD Assembly, Filler Hose (includes Evap Fresh Air Hose
and Filter) - XK
   
    IF DR - Ram Truck (1500) w/26 GALLON FUEL TANK
1 55398669AB Canister, Fuel Vapor (includes: Seal and ESIM)
1 55398232AA Hose, Evap Fresh Air
1 04891994AA Filter, Evap Fresh Air
   
    IF DR - RAM TRUCK (1500) w/34 or 35 GALLON FUEL TANK
1 04891723AB Canister, Fuel Vapor (includes: Seal and ESIM)
1 55398159AA Hose, Evap Fresh Air
1 04891994AA Filter, Evap Fresh Air
   
    IF DH/D1/DC - 2500 or 3500
1 04891726AB Canister, Fuel Vapor (includes: Seal and ESIM) - All
1 52121718AB Hose, Evap Fresh Air - DH/D1
1 52121681AA Hose, Evap Fresh Air - DC
1 04891994AA Filter, Evap Fresh Air - All

Special Tools/Equipment Required:

8404A  Evaporative Emissions Leak Detector (EELD)
8404-14       Service Port
8404-ADP Service Adapter - Filter Line
8404-UVL Ultraviolet (UV) Black Light
8404-CCL White Light
8404-20 Protective Yellow Goggles
8382 Gas Cap Adapter (1/4 turn cap)
6922 Gas Cap Adapter (Screw On Cap)
8399 Secondary Seal Depressor

Repair Procedure: 
1.      Replace the following emission system components,
   a. Fuel Vapor Canister (with ESIM).
   b. Fresh Air Fuel Vapor Filter,
   c. Fresh Air Filter to Fuel Vapor Canister Hose.
2. Refer to TerhCONNECT for detailed service procedures. From the "Service Info'
tab select: 25 - Emissions > Evaporative Emissions > Switch - Evap System
Monitor and Canister - Vapor

Policy:    Reimbursable within the provisions of the warranty.

Time Allowance:

Labor Operation No:   Description Amount
25-01-15-95 Fresh Air Vapor Filter, and
Fresh Air Vapor Hose - Replace
(B) - DR / DH / Dl / DC
0.5 Hrs.
25-01-15-95 Fuel Vapor Canister, ESIM,
Fresh Air Vapor Filter, and
Fresh Air Vapor Hose - Replace
(B) - HB / HG
1.2 Hrs.
25-01-15-95 Fuel Vapor Canister, ESIM,
Fresh Air Vapor Filter, and
Fresh Air Vapor Hose - Replace
(B) - WK / XK
0.7 Hrs

Failure Code:

ZZ        Service Action

I would like to thank Bob Bergevin, Arthur Cantrall, Barry Drodge, David Lovell, Bill Maurits, and Steve for supplying the information for these bulletins. And a big thank you goes to Geno's Garage for making DodgeRam.info possible.

 

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This page was edited on: February 21, 2008