Fault Code 511: Clutch Engage Solenoid 1 (C4) – Coarse Vent
J1939: SA 3 SPN 5614 FMI 0, 1, 3, 4, 5, 6, 7, 8, 10, 12, 16, 18
Overview
The Endurant XD Series transmissions are equipped with solenoid valves that direct vehicle Supply Air to and from the Linear Clutch Actuator (LCA) to control clutch position. The clutch control system includes four solenoid valves – two for engagement (Vent) and two for disengagement (Fill).
The Clutch Engage Solenoid 1 (CES1) valve is energized by the Transmission Control Module (TCM) to exhaust Supply Air from the LCA, engaging the clutch. The CES1 valve is located in the Mechatronic Transmission Module (MTM) and connected to the TCM at the 74-Way Transmission Harness Connector.
Detection
The TCM monitors the CES1 circuit. If a circuit or system failure is detected, the fault is set Active.
Conditions to Set Fault Code Active
FMI 0 – Data Valid But Above Normal (Most Severe): CES1 Low-Side Current value greater than commanded current for 1 second.
FMI 1 – Data Valid But Below Normal (Most Severe): CES1 Low-Side Current value less than commanded current for 1 second.
FMI 3 – Voltage Above Normal or Shorted High: CES1 circuit shorted to power for 2 seconds after CES1 commanded off.
FMI 4 – Voltage Below Normal or Shorted Low: CES1 circuit shorted to ground for 2 seconds after CES1 commanded off.
FMI 5 – Current Below Normal or Open Circuit: CES1 circuit open for 2 seconds after CES1 commanded off.
FMI 6 – Current Above Normal or Shorted Circuit: CES1 circuit shorted to ground for 2 seconds after CES1 commanded on.
FMI 7 – Mechanical System Not Responding: Unable to achieve clutch disengagement while clutch control system is attempting to disengage clutch for 1 second.
FMI 8 – Abnormal Frequency: CES1 signal frequency out of range for 1 second.
FMI 10 – Abnormal Rate of Change: Clutch Release Solenoid commanded on longer than expected to maintain clutch disengagement for 10 seconds.
FMI 12 – Bad Intelligent Device: TCM has detected an internal processing error.
FMI 16 – Data Valid but Above Normal (Moderately Severe): CES1 commanded on for longer than expected increasing solenoid temperature.
FMI 18 – Data Valid but Below Normal (Moderately Severe): CES1 commanded on longer than expected increasing solenoid temperature.
Fallback
FMI 0, 1, 5, 6, 8, 12, 16, 18:
- Amber warning lamp on
- Clutch Engage Solenoid 1 operation prohibited
- May experience slow clutch engagement
FMI 3, 4:
- Amber warning lamp on
- Clutch Engage Solenoid 1 operation prohibited
- Clutch Release Solenoid 2 operation prohibited
- Urge to Move and Creep mode prohibited
- Raised shift points
FMI 7, 10:
- If the transmission is in gear:
- Amber warning lamp on
- Coast Mode and Neutral Coast prohibited
- Urge to Move and Creep Mode prohibited
- Inertia Brake activation prohibited
- Upshifts prohibited
- Clutch engagements prohibited
- Non-Neutral modes prohibited
- PTO Mode prohibited
- Raised shift points
- If transmission is not in gear:
- Red stop lamp on
- Urge to Move and Creep Mode prohibited
- Inertia Brake activation prohibited
- Non-Neutral modes prohibited
- PTO Mode prohibited
Conditions to Set Fault Code Inactive
FMI 0, 1, 6, 7, 8, 10, 12, 16, 18: Key cycle and fault condition no longer exists.
FMI 3: CES1 circuit not shorted to power for 10 seconds.
FMI 4: CES1 circuit not shorted to ground for 10 seconds.
FMI 5: CES1 circuit not open for 10 seconds.
Possible Causes
FMI 0, 1, 3, 4, 5, 6, 8, 18
- MTM – Clutch Engage Solenoid 1
- Internal failure
- Damaged
- MTM - Transmission Harness
- Wiring shorted to power, shorted to ground or open
- TCM
- Internal failure
FMI 7:
- LCA
- Stuck piston
- LCA to MTM seal air leak
- Internal failure
- MTM – Clutch Engage Solenoid 1 and/or 2
- Stuck open
- Air leak
- Clutch Housing
- Damaged Release Bearing
- Damaged Front Bearing Cover
- Damaged Release Yoke
- Damaged Clutch
- TCM
- Software issue
FMI 10:
- MTM – Clutch Engage Solenoid 1 and/or 2
- Stuck open
- Air leak
- TCM
- Software issue
- LCA
- Internal failure
FMI 12:
- TCM
- Software issue
- Internal failure
FMI 16
- LCA
- Stuck piston
- LCA to MTM seal air leak
- Internal failure
- MTM – Clutch Engage Solenoid 1 and/or 2
- Stuck open
- Air leak
- Clutch Housing
- Damaged Release Bearing
- Damaged Front Bearing Cover
- Damaged Release Yoke
- Damaged Clutch
Additional Tools
- Endurant XD Service Manual TRSM0960
- Eaton Breakout Box with 74-Way Eaton Diagnostic Adapter - RR1029TR
- Digital Volt/Ohm Meter (DVOM)
Component Identification
 |
1. Transmission Control Module (TCM) Cover 2. Transmission Control Module (TCM) 3. 74-Way Transmission Harness Connector (TCM-side) 4. 74-Way Transmission Harness Connector (MTM-side) 5. Transmission Control Module (TCM) Seal 6. MTM Air Inlet Port |
Fault Code 511 Troubleshooting
Set vehicle parking brake and chock wheels.
Record transmission fault codes, FMIs, occurrences, and timestamps from Service Activity Report created during the Diagnostic Procedure.
If Fault Code 511 FMI 0, 1, 3, 4, 5, 6, 8, 18 is Active or Inactive, Go to Step B
If Fault Code 511 FMI 7 or 10 is Active or Inactive, Go to Step E
If Fault Code 511 FMI 12 or 16 is Active or Inactive, Contact Eaton Cummins Automated Transmission Technologies for further diagnostic instructions. For Help Line phone numbers, go to Contact Information. Go to Step V
Key off.
Remove TCM from MTM with 20-Way TCM Vehicle Harness Connector and 20-Way TCM Body Harness Connector connected.
Inspect TCM side of the 74-Way Transmission Harness Connector, verify connector is free from contamination and corrosion; terminals re not bent, spread or loose; and there is no damage to connector body.
Inspect TCM Seal, verify seal is properly installed and not damaged.
If contamination or damage is found to TCM side of 74-Way Transmission Harness Connector, replace Transmission Control Module (TCM) and Mechatronic Transmission Module (MTM). Go to Step V
Note: MTM removal and installation requires transmission to be removed from vehicle. Reference Endurant XD Service Manual TRSM0960, Transmission Removal Service Procedure.
If no contamination or damage is found, Go to Step C
Key off.
Connect Eaton Breakout Box with 74-Way Eaton Diagnostic Adapter to MTM side of 74-Way Transmission Harness Connector.
Measure resistance at Eaton Breakout Box between Pin 18 and Pin 67. Record reading in table.
Measure resistance at Eaton Breakout Box between Pin 67 and Ground (TCM mounting stud). Record reading in table.
Compare reading(s) in table.
If readings are in range, Go to Step D
If readings are out of range, replace Mechatronic Transmission Module (MTM). Go to Step V
Note: MTM removal and installation requires transmission be removed from vehicle. Reference Endurant XD Service Manual TRSM0960, Transmission Removal Service Procedure.
| Pins | Range | Reading(s) |
|---|---|---|
| 18 to 67 | 2.3-3.9 Ohms | |
| 67 to ground (TCM mounting stud) | Open Circuit (OL) |
Key off.
Remove 74-Way Eaton Diagnostic Adapter.
Reinstall TCM to MTM.
Reconnect all connectors and verify all components are properly installed.
Key on with engine off.
Connect ServiceRanger.
Retrieve and record transmission fault codes, FMIs, occurrences, and timestamps.
If Fault Code 511 FMI 0, 1, 3, 4, 5, 6, 8, 18 is Active, replace Transmission Control Module (TCM). Go to Step V
If Fault Code 511 FMI 0, 1, 3, 4, 5, 6, 8, 18 is Inactive, replace Mechatronic Transmission Module (MTM). Go to Step V
Note: MTM removal and installation requires transmission be removed from vehicle. Reference Endurant XD Service Manual TRSM0960, Transmission Removal Service Procedure.
Key off.
Refer to OEM guidelines and vent vehicle air supply line to MTM.
Refer to OEM guidelines and remove vehicle air supply line at MTM.
Inspect vehicle air supply line and MTM air inlet port for contamination, moisture, corrosion and/or debris.
Note: Verify MTM inlet screen is installed and free of contamination and/or debris.
If contamination is found, refer to OEM guidelines for repair or replacement of vehicle air system. Replace Mechatronic Transmission Module (MTM) and Inertia Brake Assembly. Go to Step V
Note: MTM removal and installation requires transmission be removed from vehicle. Reference Endurant XD Service Manual TRSM0960, Transmission Removal Service Procedure.
If no contamination is found, Go to Step F
Key off.
Remove transmission.
Note: Reference Endurant XD Service Manual TRSM0960, Transmission Removal Service Procedure.
Inspect Clutch, Release Bearing, Front Bearing Cover and Release Yoke for binding or damage.
If no binding or damage is found, replace Mechatronic Transmission Module (MTM). Go to Step V
If binding or damage is found, contact Eaton Cummins Automated Transmission Technologies at +1 800-826-4357 for further diagnostic instructions. Go to Step V
Key off.
Reconnect all connectors and verify all components are properly installed.
Key on with engine off.
Connect ServiceRanger.
Go To “Fault Codes”.
Select “Clear All Faults”.
Operate vehicle and attempt to reset the fault code or duplicate the previous complaint.
Check for fault codes using ServiceRanger.
If no fault codes set and vehicle operates properly, test complete.
If Fault Code 511 sets Active, Go to Step A
If a fault code other than 511 sets Active, troubleshoot per the Fault Code Isolation Procedure Index.