# Service bulletin 18\-011\-13

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10216272
- Published by NHTSA: 2022\-07\-25
- Manufacturer's number: 18\-011\-13
- Manufacturer's date: 2013\-03\-06
- NHTSA component: POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ENGINE; ELECTRICAL SYSTEM

## NHTSA's summary

Flash: MIL Illumination P050B and/or Rattle/Clatter Sound on Cold Start\-up This bulletin involves installing revised heater hoses, routing the purge solenoid wire harness, and installing revised Powertrain Control Module \(PCM\) software. Customers may indicate that they hear a clatter or rattle noise coming from the engine on initial start up after a long cold soak. A small number of customers may also experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code \(DTC\) has been set. P050B \- Cold Start Ignition Timing Performance

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2013/MC-10216272-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2013/MC-10216272-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Engine, Transmission and driveline, Manual transmission, Transmission control module

## Trouble codes named

P050B

## Vehicles listed

- 2011 to 2013 JEEP COMPASS

## Other bulletins for the same vehicles and component

- [U67](/bulletins/10230438.md), 2023-01-17, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; UNKNOWN OR OTHER. Some of the above\-involved vehicles may exceed NOx \(Oxides of Nitrogen\) emission level standards due to loss of catalytic converter efficiency
- [V51](/bulletins/10228020.md), 2022-12-19, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); UNKNOWN OR OTHER. Customer Satisfaction Notification V51 Reprogram Powertrain Control Module
- [18\-025\-15](/bulletins/10144863.md), 2018-09-24, Service bulletin: EQUIPMENT:APPLIANCE:AIR CONDITIONER; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with the latest available software. A small number of customers may experience a slight, audible, spark knock at times. This typically occurs in stop and go traffic during light tip\-in acceleration with the AC off. No Diagnostic Trouble Codes \(DTCs\) will set as a result of this condition.
- [18\-064\-16](/bulletins/10137059.md), 2018-05-21, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Flash: Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Codes \(DTCs\) have been set: · \*\*U0140 \- Lost Communication With Body Control Module \(TIPM\).\*\* · P219A \- Air\-Fuel Ratio Cylinder Imbalance Bank 1. \*\*The following software enhancements are also available: · Cruise control enhancements. · Engine is hard to start at temperatures \-29°C \(\-20°F\) for vehicles utilizing E15 fuel only.\*\* In addition, customers may report that the vehicle has failed the emissions certification test. Upon further investigation, it may be found that the Individual Cylinder Fuel Control \(ICFC\) monitors are reporting as failing to the scan tool even though the monitors have actually passed.
- [18\-011\-13](/bulletins/10136482.md), 2018-05-14, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ENGINE; ELECTRICAL SYSTEM. Flash: MIL Illumination P050B and/or Rattle/Clatter Sound on Cold Start\-up This bulletin involves installing revised heater hoses, routing the purge solenoid wire harness, and installing revised Powertrain Control Module \(PCM\) software. Customers may indicate that they hear a clatter or rattle noise coming from the engine on initial start up after a long cold soak. A small number of customers may also experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code \(DTC\) has been set. P050B \- Cold Start Ignition Timing Performance
- [18\-011\-13](/bulletins/10128986.md), 2018-02-21, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Flash: MIL Illumination P050B and/or Rattle/Clatter Sound on Cold Start\-up This bulletin involves installing revised heater hoses, routing the purge solenoid wire harness, and installing revised Powertrain Control Module \(PCM\) software. Customers may indicate that they hear a clatter or rattle noise coming from the engine on initial start up after a long cold soak. A small number of customers may also experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code \(DTC\) has been set. P050B \- Cold Start Ignition Timing Performance

JSON: [/v1/bulletins/10216272](/v1/bulletins/10216272)

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