# Service bulletin PI1489A

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: 10190567
- Published by NHTSA: 2021\-04\-26
- Manufacturer's number: PI1489A
- Manufacturer's date: 2015\-12\-01
- NHTSA component: POWER TRAIN:MANUAL TRANSMISSION; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\)

## NHTSA's summary

Malfunction Indicator Lamp \(MIL\) Illuminated, Intermittently Unable to Shift into Reverse, DTC P0502 Set Condition/Concern Some customers may comment on a malfunction indicator lamp \(MIL\) illuminated. They may also comment that they intermittently are unable to shift into Reverse. When checking the vehicle for DTCs, the engine control module \(ECM\) may report P0502 as current or in history. This may be caused by water intrusion into the vehicle’s manual transmission output speed sensor or could be induced by the customer slipping the clutch for an extended period of time, as in holding the vehicle on a hill.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10190567-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10190567-9999.pdf)

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

## Components

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

## Trouble codes named

P0502

## Vehicles listed

- 2013 to 2016 CADILLAC ATS
- 2016 CADILLAC ATS\-V
- 2014 to 2015 CHEVROLET CORVETTE

## Other bulletins for the same vehicles and component

- [PIE0302A](/bulletins/10253132.md), 2024-04-15, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION. Engineering Information
- [PIE0302](/bulletins/10253131.md), 2024-04-15, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION. Engineering Information
- [PIP5628F](/bulletins/10236164.md), 2023-05-15, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 \- P0308 and/or P050D
- [18357](/bulletins/10212577.md), 2022-05-31, Service bulletin: AIR BAGS; POWER TRAIN:MANUAL TRANSMISSION:COLUMN SHIFT ASSEMBLY; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; POWER TRAIN. Special Coverage. On some vehicles, the vehicle may inadvertently shift into manual mode and, depending on the vehicle?s speed, the transmission will automatically downshift to first or second gear, resulting in a safe, but unwanted vehicle deceleration. If this occurs, the driver will not be able to shift out of manual mode until the vehicle. is turned off and back on again. The vehicle will also set diagnostic trouble codes P0816 and P1876. Dealers are to remove and replace the shifter assembly. The repairs will be made at no charge to the customer
- [PI1489A](/bulletins/10201131.md), 2021-09-07, Service bulletin: BACK OVER PREVENTION; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). Malfunction Indicator Lamp \(MIL\) Illuminated, Intermittently Unable to Shift into Reverse, DTC P0502 Set
- [PI1276C](/bulletins/10201127.md), 2021-09-07, Service bulletin: EQUIPMENT; POWER TRAIN:MANUAL TRANSMISSION:INTERNAL:GEARS. Difficult to shift into Gear, Intermittent Gear Pop Out and/or Mushy shifts \(no grind\)
- [990420002L](/bulletins/10200154.md), 2021-08-09, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT. This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
- [PI1122A](/bulletins/10190981.md), 2021-04-28, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). Malfunction Indicator Lamp Flashes Due to Engine Misfire On Acceleration, DTC P0300 and/or P0303 Set Condition/Concern Some customers may comment that the Malfunction Indicator Lamp flashes when accelerating from a stop or after a steady cruise. The customer may also note that the engine speed was between 2000\-4400 RPM when the light illuminated. Depending on the circumstances, some customers may state that no driveability concerns were present while others may state they had considerable driveability impacts. When checking the vehicle for DTCs, the Engine Control Module \(ECM\) may report DTC P0300 Engine Misfire Detected and/or P0303 Cylinder 3 Misfire Detected set in history.
- [030729004L](/bulletins/10160133.md), 2019-05-20, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION; EQUIPMENT. This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions.
- [14\-07\-30\-001E](/bulletins/10138143.md), 2018-05-21, Service bulletin: EQUIPMENT; POWER TRAIN:MANUAL TRANSMISSION. This informational bulletin provides technicians with information to assist in identifying operating characteristics of manual transmissions that repair attempts will not change.

JSON: [/v1/bulletins/10190567](/v1/bulletins/10190567)

[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%20PI1489A&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10190567&vehicle=Service%20bulletin%20PI1489A)