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Auto Stop/Start System Inoperative (LTB00958NAS2)

Publication date: 2016-08-10
Reference number: LTB00958NAS2
Supersedes refnos: LTB00958NAS1

AUTO STOP/START SYSTEM INOPERATIVE

AUTO STOP/START SYSTEM INOPERATIVE

TECHNICAL SERVICE BULLETIN

Reference Number(s): LTB00958NAS2, Date of Issue:  August 10, 2016
LAND ROVER: 2014-2016 LR4 (LA)
SECTION: 418-00
AFFECTED VEHICLES: LR4 (LA) Model Year: 2014-2016 VIN: 699716 Onwards Assembly Plant: Solihull
NOTE: This reissue replaces all previous versions. Please destroy all previous versions.

MARKETS

NAS

CONDITION SUMMARY

Situation:  The Auto Stop/Start system may be inoperative.

Cause:  This may be due to the cold cranking capability value for the battery, which appears artificially low due to the electrical distribution system routing on the battery monitoring system.

Action:  Should a customer express this concern, follow the Diagnostic Procedure below.

PARTS

No Parts Required

TOOLS

Jaguar Land Rover-approved diagnostic tool with latest SDD software and Calibration File

Jaguar Land Rover-approved Midtronics battery power supply

WARRANTY

NOTE: Repair procedures are under constant review, and therefore times are subject to change; those quoted here must be taken as guidance only. Always refer to TOPIx to obtain the latest repair time.
NOTE: DDW requires the use of causal part numbers. Labor only claims must show the causal part number with a quantity of zero.
DESCRIPTION SRO TIME (HOURS) CONDITION CODE CAUSAL PART
GateWay Module - Configuration 86.90.97  0.2 42 LR064692
NOTE: Normal Warranty procedures apply.

DIAGNOSTIC PROCEDURE

CAUTION: This procedure requires SDD145.06 and Calibration File 239 loaded or later.
  1. Connect the Jaguar Land Rover-approved Midtronics battery power supply to the vehicle battery.
  2. Turn ignition ON (engine not running).
  3. Connect the Jaguar Land Rover-approved diagnostic tool to the vehicle and begin a new session.
  4. Follow the on-screen prompts, allowing the diagnostic tool to read the VIN, identify the vehicle, and initiating the data collect sequence.
    NOTE: The battery power supply MUST be disconnected from the vehicle battery.
  5. Disconnect the Jaguar Land Rover-approved Midtronics battery power supply from the vehicle battery.
  6. Select 'Diagnosis'  from the Session Type screen.
  7. Select the 'Selected Symptoms'  tab and then select:
    • Powertrain - Engine system - Starting system - Start/stop system - Inoperative 
  8. Check the estimated cold cranking voltage at present state of charge value.
    • Follow all on-screen instructions.
      • If the estimated cold cranking voltage at present state of charge value is above 6.5 volts, check for other Auto Stop/Start system inhibits and follow the on-screen instructions with reference to TOPIx; continue to Step  14.
      • If the estimated cold cranking voltage at present state of charge value is below 6.5 volts and the power supply system is inhibiting the Auto Stop/Start system, continue to Step 9.
    NOTE: The Jaguar Land Rover-approved Midtronics battery power supply must be connected to the vehicle battery.
  9. Connect the Jaguar Land Rover-approved Midtronics battery power supply to the vehicle battery.
  10. Select the 'Selected Symptoms'  tab and then select:
    • Powertrain - Engine system - Starting system - Start/stop system - Inoperative 
  11. Select 'continue'  .
  12. Select the 'Recommendations'  tab and then select 'Run'  to perform the 'Configure existing module - Gateway module'  option.
  13. Follow all on-screen instructions to complete this task, ensuring all Diagnostic Trouble Codes (DTC) are cleared.
  14. When all tasks are complete, select the 'Session'  tab and then select the 'Close Session'  option.
  15. Disconnect the diagnostic tool and battery power supply from the vehicle.
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