No Crank Condition When Hot, Starts Normal When Cold (21-041-18)
Reference number: 21-041-18
NO CRANK CONDITION WHEN HOT, STARTS NORMAL WHEN COLD
TECHNICAL SERVICE BULLETIN
| CHRYSLER: | 2018 Jeep Wrangler (JK), Dodge Charger (LD) |
| GROUP: | 21 - Transmission and Transfer Case |
SUBJECT
No Crank Condition When Hot, Starts Normal When Cold
OVERVIEW
This bulletin involves Inspecting the vehicle for a no start condition when hot and if necessary replacing the transmission valve body assembly.
MODELS
| 2018 | (JK) | Jeep Wrangler |
| 2018 | (LD) | Dodge Charger |
SYMPTOM/CONDITION
Some customers may experience a no start/crank condition after the vehicle is warmed to operating temperature. Once the vehicle cools down then it will restart.
DIAGNOSIS
Using a Scan Tool (wiTECH) with the appropriate Diagnostic Procedures available in TechCONNECT, verify all related systems are functioning as designed. If DTCs or symptom conditions, other than the one listed above is present, record the issues on the repair order and repair as necessary before proceeding further with this bulletin.
If a customer's VIN is listed in VIP or your RRT VIN list, perform the repair. If any vehicle not on the VIN list exhibits the symptom/condition, perform the repair.
- Test drive the vehicle for approximately five miles to ensure the transmission fluid is 90°-104°C (195°-220°F) using wiTECH to verify the temperature.NOTE: Do not shut engine off until the vehicle has returned to the dealership.
- After returning to dealership, shut engine off and let vehicle heat soak for a minimum of five minutes. After heat soak period, start the engine.
- Does the engine start?
- YES>>> This bulletin has been completed, use inspect LOP (21-95-01-9B) to close the active RRT.
- NO>>> Continue to the REPAIR PROCEDURE . Proceed to Step 1.
PARTS REQUIRED
| Qty. | Part No. | Description |
|---|---|---|
| 1 | RL108213AB | Valve Body Assembly, Transmission |
| (AR) | 9602 | ATF+4 transmission fluid |
REPAIR PROCEDURE
- Replace the transmission valve body/electrohydraulic control unit assembly. Refer to the detailed service procedures available in DealerCONNECT> TechCONNECT under: Service Info>21 - Transmission and Transfer Case/Automatic - NAG1/Unit, Electrohydraulic Control/Removal/Installation.
- Fill the transmission fluid. Refer to the detailed service procedures available in DealerCONNECT> TechCONNECT under: Service Info>21 - Transmission and Transfer Case/Automatic - NAG1/Fluid and Filter/Standard Procedure.
- Clear all DTCs that may have been set in any module. The wiTECH application will automatically present all DTCs after the flash and allow them to be cleared.
POLICY
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE
| Labor Operation No: | Description | Skill Category | Amount |
|---|---|---|---|
| 21-95-01-9B | Valve body, Test Drive with Heat Soak-Inspect (3 - Highly Skilled) | 2 - Automatic Transmission | 0.4 Hrs. |
| 21-95-01-9C | Transmission Valve Body/Electrohydraulic Control Unit Assembly - Inspect and Replace JK Vehicle (3 - Highly Skilled) | 2 - Automatic Transmission | 1.9 Hrs. |
| 21-95-01-9D | Transmission Valve Body/Electrohydraulic Control Unit Assembly - Inspect and Replace LD Vehicle (3 - Highly Skilled) | 2 - Automatic Transmission | 1.2 Hrs. |
FAILURE CODE
| ZZ | Service Action |