# Service bulletin 07\-001\-26

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: 11031220
- Published by NHTSA: 2026\-04\-10
- Manufacturer's number: 07\-001\-26
- Manufacturer's date: 2026\-03\-31
- NHTSA component: ENGINE

## NHTSA's summary

Low Coolant Level Due To Coolant Leak Customers may comment on one or more of the following: SYMPTOM: ● Coolant level is low. ● Coolant is leaking. ● Vehicle is in Turtle mode and exhibits reduced performance. This bulletin involves inspecting, and possibly replacing, the electric pump outlet coolant hose and/or the radiator inlet hose.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031220-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031220-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2026 JEEP CHEROKEE

## Other bulletins for the same vehicles and component

- [08\-332\-26 REV. B](/bulletins/11037462.md), 2026-09-23, Service bulletin: ENGINE; ELECTRICAL SYSTEM. Hybrid Cooling Pump Emergency Mode Condition Customers may comment on one or more of the following: SYMPTOM: ● 12V battery is draining. NOTE: The auxiliary heat and battery coolant pumps can enter emergency mode and drain the 12V battery. ● A pump running at full speed noise may be heard from the engine compartment after the vehicle is turned off. This bulletin involves replacing the Auxiliary Heat Pump \(AHP\).
- [18\-044\-26](/bulletins/11030229.md), 2026-03-25, Service bulletin: ENGINE. Flash: Powertrain Control Module \(PCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● \*\*P0111\-00 \- Intake Air Temperature Sensor 1 Circuit Range Performance Bank 1. \(In Active or Stored status\) ● P0071\-00 \- Ambient Air Temperature Sensor Performance. \(In Active or Stored status\) ● P0072\-00 \- Ambient Air Temperature Sensor Circuit "A" Low. \(In Active or Stored status\) ● P0073\-00 \- Ambient Air Temperature Sensor Circuit "A" High. \(In Active or Stored status\) ● P0011\-00 \- Bank 1 Camshaft 1 Position Timing Over Advanced Or. \(In Active or Stored status\) ● P25E4\-00 \- B Camshaft Position \- Unable To Achieve Locked Position Bank 1. \(In Active or Stored status\) ● P05BD\-00 \- Stop\-Start Mode Switch Range/Performance. \(In Active or Stored status\) ● P0116\-00 \- Engine Coolant Temperature Sensor 1 Performance. \(In Active or Stored status\) ● P062B\-00 \- Internal Control Module Fuel Injector Control Performance. \(In Active or Stored status\) ● P0604\-00 \- Internal Control Module Random Access Memory Ram Error. \(In Active or Stored status\) ● P060C\-00 \- Internal Control Module Main Processor Performance. \(In Active or Stored status\)\*\* ● P018B\-00 \- Fuel Pressure Sensor "B" Circuit Range/performance. \*\*\(In Active or Stored status\)\*\* ● P1CEA\-00 \- Boost Side EVAP Purge System Performance. \*\*\(In Active or Stored status\)\*\* ● P06DD\-00 \- Engine Oil Pressure Control Circuit Performance/Stuck Off. \*\*\(In Active or Stored status\)\*\* ● P00C6\-00 \- Fuel Rail Pressure Too Low \- Engine Cranking. \*\*\(In Active or Stored status\)\*\* ● P0300\-00 \- Multiple Cylinder Misfire. \*\*\(In Active or Stored status\)\*\* Customers may also experience one or more of the following: ● \*\*Oil Level High Warning in the Instrument Panel Cluster \(IPC\).\*\* ● Fully Autonomous Parking Assist \(FAPA\) is not deactivated when accelerator pedal is pressed. ● Vehicle is not heating up fast enough at freezi
- [S2608000013](/bulletins/11030144.md), 2026-03-18, Service bulletin: ENGINE; ELECTRICAL SYSTEM. No Crank, No Start
- [S2603000002](/bulletins/11030137.md), 2026-03-18, Service bulletin: ENGINE. Grease is purging from the differential seal.
- [S2509000011 REV.A](/bulletins/11029776.md), 2026-03-05, Service bulletin: ENGINE. Engine Oil is Red in Color

JSON: [/v1/bulletins/11031220](/v1/bulletins/11031220)

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