PACCAR MID 130 PID 52 FMI 5: Meaning, Causes & Fix
Transmission Oil Temperature Sensor β open circuit in sensor wiring
Diagnostic Reference
| Field | Details |
|---|---|
| Code | MID 130 PID 52 FMI 5 |
| Protocol | J1587 MID: 130 PID: 52 |
| Component | Transmission Oil Temp Sensor / Harness |
| Manufacturer | PACCAR |
| Engine Series | MX-13 |
| Severity | |
| SAE Reference | SAE J1587/J1708 β MID 130, PID 52 |
Possible Causes
- Sensor connector pulled loose during service
- Broken wire in transmission harness crossing frame rail
- Sensor internal open circuit from vibration
- ECM analog input channel failed
Diagnostic & Repair Procedure
- Step 1: Inspect transmission harness routing for chafing on frame crossmember
- Step 2: Check connector at transmission body for proper seating
- Step 3: Ohm out sensor terminals
- Step 4: Replace temp sensor with new crush washer
- Step 5: Clear codes and verify reading
Frequently Asked Questions
How far can I drive with this code?
This CHECK AT NEXT STOP code allows continued operation to a safe service location, typically within 50β100 miles. Reduce engine load (avoid steep grades, reduce cruising speed) and monitor related gauges closely. If secondary symptoms develop β smoke, unusual noise, temperature spike β pull over immediately.
Will this cause permanent engine damage if I keep driving?
If addressed promptly at the next stop, permanent damage is unlikely. However, prolonged operation (200+ miles) with this fault active can escalate the issue. For example, DEF system faults will eventually trigger a full derate and speed limitation to 5 mph. Some CHECK NEXT STOP conditions degrade into STOP ENGINE faults if the root cause worsens β do not postpone service indefinitely.
Can I diagnose this myself or do I need a mechanic?
You can attempt the diagnostic steps listed above. Many CHECK NEXT STOP codes have straightforward causes β low fluid levels, clogged filters, or loose connectors β that an owner-operator can address. However, if the code returns after clearing, the underlying fault requires professional diagnosis with a scan tool capable of viewing live data and freeze-frame information.
Related Fault Codes β MX-13
SPN 1077 FMI 14
π΄ STOP ENGINE
SPN 1347 FMI 7
π΄ STOP ENGINE
SPN 647 FMI 4
SPN 91 FMI 16
SPN 411 FMI 16
π CHECK SOON
MID 128 PID 105 FMI 10
π CHECK SOON
Associated Symptoms
References & Further Reading
- SAE J1939-73: Application Layer β Diagnostics. SAE International. Defines SPN N/A / FMI N/A fault code semantics for heavy-duty CAN networks. SAE J1939 Standard
- SAE J1587: Electronic Data Interchange Between Microcomputer Systems in Heavy-Duty Vehicle Applications. SAE International. Defines MID 130 parameter identification protocol. SAE J1587 Standard
- PACCAR MX-13 Service Manual: OEM diagnostic procedures for Transmission Oil Temp Sensor / Harness faults. Consult the official PACCAR service documentation for your specific engine serial number.
- TMC RP 1210: Recommended Practice for Windows-Based Vehicle Diagnostic Interface. Technology & Maintenance Council (TMC) of American Trucking Associations.