# Service bulletin 21\-038\-15 REV\-A

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: 10151740
- Published by NHTSA: 2018\-12\-17
- Manufacturer's number: 21\-038\-15 REV\-A
- Manufacturer's date: 2015\-10\-08
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM:SOFTWARE

## NHTSA's summary

Flash: Drivetrain Control Module \(DTCM\) C2020\-01 ECU Internal Fault setting in the DTCM This bulletin involves reprogramming the Drivetrain Control Module \(DTCM\) with the latest available software. Some vehicles may experience the All Wheel Drive Light \(AWD\) illuminating due to DTC C2020\-01 ECU Internal Fault setting erroneously in the DTCM.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10151740-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10151740-0001.pdf)

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

## Components

Electrical system, Transmission and driveline, Automatic transmission, Software, Transmission control module

## Trouble codes named

C2020

## Vehicles listed

- 2016 FIAT 500
- 2015 JEEP RENEGADE

## Recalls for the same vehicles and component

- [16V529000](/recalls/nhtsa/16V529000.md), 2016-07-12: POWER TRAIN:AUTOMATIC TRANSMISSION

## Other bulletins for the same vehicles and component

- [S2325000007](/bulletins/10248564.md), 2024-01-08, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). MIL/check engine lamp comes on after performing U90 recall PCM software update.
- [S2325000007](/bulletins/10244403.md), 2023-10-30, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). MIL/check engine lamp comes on after performing U90 recall PCM software update.
- [1804221](/bulletins/10223480.md), 2022-10-17, Service bulletin: BACK OVER PREVENTION; EXTERIOR LIGHTING; SERVICE BRAKES, HYDRAULIC; ELECTRONIC STABILITY CONTROL:AUTOMATIC \(ASC\); ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Flash: Powertrain Control Module \(PCM\) Updates 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 one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: P1D7F\-00 \- ETC Self\-Learning Failure. P1523\-00 \- VVA Low Oil Pressure. P1524\-00 \- Oil Pressure Out Of Range \- Camshaft Advance/Retard Disabled. P0141 \- O2 Sensor 1/2 Heater Performance. Some customers may experience one or more of the following conditions: After a short trip and shutting the engine off for 5\-10 minutes, vehicle exhibits a long crank/start condition\(2016 BU EMEA only\). Cruise control will not set at 32 kph \(20 mph\). Engine cranking times out after five seconds. Cruise control will not engage at highway speeds and when in 6th gear. A ticking noise coming from the top of the engine area. The ticking noise is heard particularly at idle \(EMEA and APAC only\). The following enhancements are also included: Improved purge sensor performance. Updated fuel strategy to inhibit spark plug fouling.
- [0806421](/bulletins/10221211.md), 2022-09-26, Service bulletin: ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC; WHEELS; ELECTRICAL SYSTEM:SOFTWARE; EXTERIOR LIGHTING; SEAT BELTS; AIR BAGS. Flash: Radio Frequency Hub Module \(RFHM\) Enhancements This bulletin involves reprogramming the RFHM 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 Code \(DTC\) has been set:B1053\-64 RFHM \(Keyless Ignition Node \(KIN\) Communication\) \- Signal Plausibility Failure \(Software has been updated to better address this DTC\). In addition, the customer may notice the following condition\(s\): Service Passive Entry Light" on cluster and MIL code B1053\-64. Vehicle will not shut off with DTC B1053\-64. Vehicle may not start with DTC B1053\-64. With the ignition in the run position and the engine not running, the vehicle may not turn itself off after 30 minutes. Doors may not unlock when using the Remote Keyless Entry \(RKE\) Fob.\(2015 only\) Tire pressure monitoring \(TPM\) light may illuminate when using the winter tires in winter mode functionality.\(2015\-2016 only\) After an engine start and the doors are closed, a message in the cluster may be displayed ?Key Not Detected? when the key is actually present.\(2015\-2016 only\) Only a message is displayed, the vehicle will start.
- [2104015](/bulletins/10220464.md), 2022-09-26, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. Tranmission shift Drivability enhancements.
- [0803416](/bulletins/10218042.md), 2022-08-22, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This bulletin involves inspecting and, if required, updating the radio software.
- [0803416REVA](/bulletins/10218041.md), 2022-08-22, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This bulletin involves inspecting and, if required, updating the radio software.
- [0803316](/bulletins/10218040.md), 2022-08-22, Service bulletin: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. This bulletin involves updating the radios software.
- [21\-054\-15](/bulletins/10216171.md), 2022-07-25, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM; POWER TRAIN:MANUAL TRANSMISSION; ENGINE AND ENGINE COOLING. Flash: Vehicle Will Not Shift Out Of Park This bulletin involves reprogramming the Electronic Shift Module \(ESM\) with the latest available software. Some Customers may experience a condition where the vehicle will not shift out of park while the engine running at idle and brake pedal applied. Cycling the ignition key off and restarting the engine will allow shift. Technicians may find DTC P0606\-00 Control Module Processor. Flashing the ESM with the latest software will correct this concern.
- [21\-055\-15](/bulletins/10216169.md), 2022-07-25, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:FLOOR SHIFT; EQUIPMENT; POWER TRAIN:MANUAL TRANSMISSION:COLUMN SHIFT ASSEMBLY; POWER TRAIN:MANUAL TRANSMISSION:FLOOR SHIFT ASSEMBLY; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. Flash: Vehicle Will Not Shift Out Of Park This bulletin involves reprogramming the Electronic Shift Module \(ESM\) with the latest available software. Some Customers may experience a condition where the vehicle will not shift out of park while the engine running at idle and brake pedal applied. Cycling the ignition key off and restarting the engine will allow shift. Technicians may find DTC P0606\-00 Control Module Processor. Flashing the ESM with the latest software will correct this concern.

JSON: [/v1/bulletins/10151740](/v1/bulletins/10151740)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%2021-038-15%20REV-A&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10151740&vehicle=Service%20bulletin%2021-038-15%20REV-A)