Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2000 Jaguar XJRFACTORY OEM SERVICE PROCEDURE
Section 161 (Module Communications Network)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2008 Jaguar S-Type, 2007 Jaguar S-Type, 2006 Jaguar S-Type, 2005 Jaguar S-Type, and 2004 Jaguar S-Type. However, it is still accessible from the selected car via links, so may be relevant.
- Module Communications Network
- Communications Network - Description & Operation
- Communications Network - Diagnostic Procedures
- Principles of Operation
- Inspection and Verification
- Symptom Chart
- Pinpoint Tests
- Notes
- Pinpoint Test A: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - ANTI-LOCK BRAKE CONTROL MODULE
- Pinpoint Test B: P1699, E518: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - DUAL AUTOMATIC TEMPERATURE CONTROL (DATC) MODULE
- Pinpoint Test C: P1638, P1798, E520: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - INSTRUMENT CLUSTER
- Pinpoint Test D: P1642; P1797; E523: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - ECM
- Pinpoint Test E: P1637: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - TRANSMISSION CONTROL MODULE (TCM)
- Pinpoint Test F: P1603. TCM EEPROM FAILURE
- Pinpoint Test G: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - ELECTRONIC PARK BRAKE (EPB) MODULE
- Pinpoint Test H: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - INSTRUMENT CLUSTER (IC)
- Pinpoint Test I: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER -REAR ELECTRONIC MODULE (REM)
- Pinpoint Test J: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - ACTIVE DAMPING CONTROL MODULE (ADCM)
- Pinpoint Test K: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - DRIVER'S DOOR MODULE (DDM)
- Pinpoint Test L: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - DYNAMIC STABILITY CONTROL MODULE (DSM)
- Pinpoint Test M: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - IN CAR ENTERTAINMENT (ICE) HEAD
- Pinpoint Test N: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - FRONT ELECTRONIC MODULE (FEM)
- Pinpoint Test O: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTICS TESTER - NAVIGATION COMPUTER (NC)
- Pinpoint Test P: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - RESTRAINTS CONTROL MODULE (RCM)
- Pinpoint Test Q: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - HEADLAMP LEVELLING MODULE (ADHLS)
- Pinpoint Test R: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - PARKING AID
- Pinpoint Test S: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - INTRUSION SENSOR
- Pinpoint Test T: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - ECM
- Pinpoint Test U: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - VOICE ACTIVATED CONTROL MODULE (VACM)
- Pinpoint Test V: THE MODULE DOES NOT RESPOND TO the JAGUAR APPROVED DIAGNOSTIC SYSTEM -'PHONE MODULE
- Pinpoint Test W: P1573, P1777, P1696, P1609. SYMPATHETIC CODES FROM MODULES IN CAN NETWORK
- Pinpoint Test X: U2003: COMPACT DISC CHANGER NOT RESPONDING
- Pinpoint Test Y: U2008: 'PHONE MODULE NOT RESPONDING
- Pinpoint Test Z: U2019: VOICE CONTROL MODULE NOT RESPONDING
- Pinpoint Test AA: U2613: NAVIGATION CONTROL MODULE NOT RESPONDING
- Pinpoint Test AB: U2614: AMP NOT RESPONDING
- Pinpoint Test AC: U2602: BREAK IN OPTICAL HARNESS FROM ICE HEAD UNIT. (TRANSMITTER)
- Pinpoint Test AD: U2603: BREAK IN OPTICAL HARNESS TO ICE HEAD UNIT. (RECEIVER)
- Pinpoint Test AE: ONE OR MORE D2B MODULES NOT RESPONDING. "WAKE-UP" SIGNAL FAULT
- Pinpoint Test AF: ONE OR MORE D2B MODULES NOT RESPONDING. PERMANENT SUPPLY FAULT
- Pinpoint Test AG: ONE OR MORE D2B MODULES NOT RESPONDING. ACCESSORY SWITCHED SUPPLY FAULT
- Pinpoint Test AH: ONE OR MORE D2B MODULES NOT RESPONDING. IGNITION SWITCHED SUPPLY FAULT
- Communications Network - Diagnostic Procedures (VIN Range: N52207->N99999)
- Principles of Operation
- Inspection and Verification
- Symptom Chart
- Pinpoint Tests
- Notes
- Pinpoint Test A: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - ANTI-LOCK BRAKE CONTROL MODULE
- Pinpoint Test B: P1699, E518: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - DUAL AUTOMATIC TEMPERATURE CONTROL (DATC) MODULE
- Pinpoint Test C: P1638, P1798, E520: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - INSTRUMENT CLUSTER
- Pinpoint Test D: P1642; P1797; E523: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - ECM
- Pinpoint Test E: P1637: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - TRANSMISSION CONTROL MODULE (TCM)
- Pinpoint Test F: P1603. TCM EEPROM FAILURE
- Pinpoint Test G: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - ELECTRONIC PARK BRAKE (EPB) MODULE
- Pinpoint Test H: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - INSTRUMENT CLUSTER (IC)
- Pinpoint Test I: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER -REAR ELECTRONIC MODULE (REM)
- Pinpoint Test J: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - ACTIVE DAMPING CONTROL MODULE (ADCM)
- Pinpoint Test K: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - DRIVER'S DOOR MODULE (DDM)
- Pinpoint Test L: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - DYNAMIC STABILITY CONTROL MODULE (DSM)
- Pinpoint Test M: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - IN CAR ENTERTAINMENT (ICE) HEAD
- Pinpoint Test N: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - FRONT ELECTRONIC MODULE (FEM)
- Pinpoint Test O: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTICS TESTER - NAVIGATION COMPUTER (NC)
- Pinpoint Test P: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - RESTRAINTS CONTROL MODULE (RCM)
- Pinpoint Test Q: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - HEADLAMP LEVELLING MODULE (ADHLS)
- Pinpoint Test R: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - PARKING AID
- Pinpoint Test S: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - INTRUSION SENSOR
- Pinpoint Test T: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - ECM
- Pinpoint Test U: THE MODULE DOES NOT RESPOND TO THE JAGUAR APPROVED DIAGNOSTIC TESTER - VOICE ACTIVATED CONTROL MODULE (VACM)
- Pinpoint Test V: THE MODULE DOES NOT RESPOND TO the JAGUAR APPROVED DIAGNOSTIC SYSTEM -'PHONE MODULE
- Pinpoint Test W: P1573, P1777, P1696, P1609. SYMPATHETIC CODES FROM MODULES IN CAN NETWORK
- Pinpoint Test X: U2003: COMPACT DISC CHANGER NOT RESPONDING
- Pinpoint Test Y: U2008: 'PHONE MODULE NOT RESPONDING
- Pinpoint Test Z: U2019: VOICE CONTROL MODULE NOT RESPONDING
- Pinpoint Test AA: U2613: NAVIGATION CONTROL MODULE NOT RESPONDING
- Pinpoint Test AB: U2614: AMP NOT RESPONDING
- Pinpoint Test AC: U2602: BREAK IN OPTICAL HARNESS FROM ICE HEAD UNIT. (TRANSMITTER)
- Pinpoint Test AD: U2603: BREAK IN OPTICAL HARNESS TO ICE HEAD UNIT. (RECEIVER)
- Pinpoint Test AE: ONE OR MORE D2B MODULES NOT RESPONDING. "WAKE-UP" SIGNAL FAULT
- Pinpoint Test AF: ONE OR MORE D2B MODULES NOT RESPONDING. PERMANENT SUPPLY FAULT
- Pinpoint Test AG: ONE OR MORE D2B MODULES NOT RESPONDING. ACCESSORY SWITCHED SUPPLY FAULT
- Pinpoint Test AH: ONE OR MORE D2B MODULES NOT RESPONDING. IGNITION SWITCHED SUPPLY FAULT
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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